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Finding the Fourth Proportional to 429,474.56, 592,694.62 and 238,488.71

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Solution

The fourth proportional to 429,474.56, 592,694.62 and 238,488.71 is: 329,125.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,474.56 : 592,694.62 = 238,488.71 : x
  2. Step 2: Convert to fraction form
    429,474.56/592,694.62 = 238,488.71/x
  3. Step 3: Cross multiply
    429,474.56x = 592,694.62 × 238,488.71
  4. Step 4: Simplify right side
    429,474.56x = 141,350,971,788.05
  5. Step 5: Solve for x
    x = 141,350,971,788.05/429,474.56
  6. Step 6: Final answer
    x = 329,125.37

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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.