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Finding the Fourth Proportional to 591,788.30, 887,682.45 and 260,012.30

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Solution

The fourth proportional to 591,788.30, 887,682.45 and 260,012.30 is: 390,018.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,788.30 : 887,682.45 = 260,012.30 : x
  2. Step 2: Convert to fraction form
    591,788.30/887,682.45 = 260,012.30/x
  3. Step 3: Cross multiply
    591,788.30x = 887,682.45 × 260,012.30
  4. Step 4: Simplify right side
    591,788.30x = 230,808,355,494.14
  5. Step 5: Solve for x
    x = 230,808,355,494.14/591,788.30
  6. Step 6: Final answer
    x = 390,018.45

Related Problems

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Half scale
Find fourth proportional to 1,183,576.60, 1,775,364.90 and 520,024.60
Double scale
Find fourth proportional to 591,789.30, 887,683.95 and 260,013.30
Similar ratio
Find fourth proportional to 887,682.45, 1,331,523.68 and 390,018.45
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.