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Finding the Fourth Proportional to 260,150.00, 390,216.08 and 110,293.79

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Solution

The fourth proportional to 260,150.00, 390,216.08 and 110,293.79 is: 165,436.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,150.00 : 390,216.08 = 110,293.79 : x
  2. Step 2: Convert to fraction form
    260,150.00/390,216.08 = 110,293.79/x
  3. Step 3: Cross multiply
    260,150.00x = 390,216.08 × 110,293.79
  4. Step 4: Simplify right side
    260,150.00x = 43,038,408,706.80
  5. Step 5: Solve for x
    x = 43,038,408,706.80/260,150.00
  6. Step 6: Final answer
    x = 165,436.90

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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.