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Finding the Fourth Proportional to 454,876.38, 627,686.82 and 439,589.52

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Solution

The fourth proportional to 454,876.38, 627,686.82 and 439,589.52 is: 606,592.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,876.38 : 627,686.82 = 439,589.52 : x
  2. Step 2: Convert to fraction form
    454,876.38/627,686.82 = 439,589.52/x
  3. Step 3: Cross multiply
    454,876.38x = 627,686.82 × 439,589.52
  4. Step 4: Simplify right side
    454,876.38x = 275,924,547,914.13
  5. Step 5: Solve for x
    x = 275,924,547,914.13/454,876.38
  6. Step 6: Final answer
    x = 606,592.38

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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.