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Finding the Fourth Proportional to 674,553.38, 930,847.11 and 372,727.94

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Solution

The fourth proportional to 674,553.38, 930,847.11 and 372,727.94 is: 514,344.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,553.38 : 930,847.11 = 372,727.94 : x
  2. Step 2: Convert to fraction form
    674,553.38/930,847.11 = 372,727.94/x
  3. Step 3: Cross multiply
    674,553.38x = 930,847.11 × 372,727.94
  4. Step 4: Simplify right side
    674,553.38x = 346,952,725,765.25
  5. Step 5: Solve for x
    x = 346,952,725,765.25/674,553.38
  6. Step 6: Final answer
    x = 514,344.36

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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.