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Finding the Fourth Proportional to 541,972.10, 748,045.89 and 360,691.70

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Solution

The fourth proportional to 541,972.10, 748,045.89 and 360,691.70 is: 497,837.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,972.10 : 748,045.89 = 360,691.70 : x
  2. Step 2: Convert to fraction form
    541,972.10/748,045.89 = 360,691.70/x
  3. Step 3: Cross multiply
    541,972.10x = 748,045.89 × 360,691.70
  4. Step 4: Simplify right side
    541,972.10x = 269,813,943,742.11
  5. Step 5: Solve for x
    x = 269,813,943,742.11/541,972.10
  6. Step 6: Final answer
    x = 497,837.33

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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.