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Finding the Fourth Proportional to 981,068.80, 1,472,542.80 and 508,093.60

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Solution

The fourth proportional to 981,068.80, 1,472,542.80 and 508,093.60 is: 762,627.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,068.80 : 1,472,542.80 = 508,093.60 : x
  2. Step 2: Convert to fraction form
    981,068.80/1,472,542.80 = 508,093.60/x
  3. Step 3: Cross multiply
    981,068.80x = 1,472,542.80 × 508,093.60
  4. Step 4: Simplify right side
    981,068.80x = 748,189,572,406.08
  5. Step 5: Solve for x
    x = 748,189,572,406.08/981,068.80
  6. Step 6: Final answer
    x = 762,627.02

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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.