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Finding the Fourth Proportional to 426,006.26, 587,890.62 and 235,019.60

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Solution

The fourth proportional to 426,006.26, 587,890.62 and 235,019.60 is: 324,328.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,006.26 : 587,890.62 = 235,019.60 : x
  2. Step 2: Convert to fraction form
    426,006.26/587,890.62 = 235,019.60/x
  3. Step 3: Cross multiply
    426,006.26x = 587,890.62 × 235,019.60
  4. Step 4: Simplify right side
    426,006.26x = 138,165,818,356.15
  5. Step 5: Solve for x
    x = 138,165,818,356.15/426,006.26
  6. Step 6: Final answer
    x = 324,328.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.