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Finding the Fourth Proportional to 539,755.60, 809,633.40 and 531,882.40

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Solution

The fourth proportional to 539,755.60, 809,633.40 and 531,882.40 is: 797,823.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,755.60 : 809,633.40 = 531,882.40 : x
  2. Step 2: Convert to fraction form
    539,755.60/809,633.40 = 531,882.40/x
  3. Step 3: Cross multiply
    539,755.60x = 809,633.40 × 531,882.40
  4. Step 4: Simplify right side
    539,755.60x = 430,629,755,912.16
  5. Step 5: Solve for x
    x = 430,629,755,912.16/539,755.60
  6. Step 6: Final answer
    x = 797,823.60

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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.