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Finding the Fourth Proportional to 429,438.60, 592,613.88 and 238,447.08

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Solution

The fourth proportional to 429,438.60, 592,613.88 and 238,447.08 is: 329,050.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,438.60 : 592,613.88 = 238,447.08 : x
  2. Step 2: Convert to fraction form
    429,438.60/592,613.88 = 238,447.08/x
  3. Step 3: Cross multiply
    429,438.60x = 592,613.88 × 238,447.08
  4. Step 4: Simplify right side
    429,438.60x = 141,307,049,253.47
  5. Step 5: Solve for x
    x = 141,307,049,253.47/429,438.60
  6. Step 6: Final answer
    x = 329,050.65

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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.