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Finding the Fourth Proportional to 418,192.68, 580,066.92 and 403,854.96

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Solution

The fourth proportional to 418,192.68, 580,066.92 and 403,854.96 is: 560,179.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,192.68 : 580,066.92 = 403,854.96 : x
  2. Step 2: Convert to fraction form
    418,192.68/580,066.92 = 403,854.96/x
  3. Step 3: Cross multiply
    418,192.68x = 580,066.92 × 403,854.96
  4. Step 4: Simplify right side
    418,192.68x = 234,262,902,773.92
  5. Step 5: Solve for x
    x = 234,262,902,773.92/418,192.68
  6. Step 6: Final answer
    x = 560,179.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.