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Finding the Fourth Proportional to 429,618.52, 592,873.32 and 238,649.68

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Solution

The fourth proportional to 429,618.52, 592,873.32 and 238,649.68 is: 329,336.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,618.52 : 592,873.32 = 238,649.68 : x
  2. Step 2: Convert to fraction form
    429,618.52/592,873.32 = 238,649.68/x
  3. Step 3: Cross multiply
    429,618.52x = 592,873.32 × 238,649.68
  4. Step 4: Simplify right side
    429,618.52x = 141,489,028,098.54
  5. Step 5: Solve for x
    x = 141,489,028,098.54/429,618.52
  6. Step 6: Final answer
    x = 329,336.43

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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.