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Finding the Fourth Proportional to 429,081.98, 592,248 and 267,839.92

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Solution

The fourth proportional to 429,081.98, 592,248 and 267,839.92 is: 369,690.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,081.98 : 592,248 = 267,839.92 : x
  2. Step 2: Convert to fraction form
    429,081.98/592,248 = 267,839.92/x
  3. Step 3: Cross multiply
    429,081.98x = 592,248 × 267,839.92
  4. Step 4: Simplify right side
    429,081.98x = 158,627,656,940.16
  5. Step 5: Solve for x
    x = 158,627,656,940.16/429,081.98
  6. Step 6: Final answer
    x = 369,690.79

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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.