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Finding the Fourth Proportional to 755,282,874.81, 1,034,741,229.50 and 726,975,078.24

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Solution

The fourth proportional to 755,282,874.81, 1,034,741,229.50 and 726,975,078.24 is: 995,959,409.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,282,874.81 : 1,034,741,229.50 = 726,975,078.24 : x
  2. Step 2: Convert to fraction form
    755,282,874.81/1,034,741,229.50 = 726,975,078.24/x
  3. Step 3: Cross multiply
    755,282,874.81x = 1,034,741,229.50 × 726,975,078.24
  4. Step 4: Simplify right side
    755,282,874.81x = 752,231,086,270,281,472
  5. Step 5: Solve for x
    x = 752,231,086,270,281,472/755,282,874.81
  6. Step 6: Final answer
    x = 995,959,409.86

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.