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Finding the Fourth Proportional to 429,641.52, 592,905 and 238,672.68

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Solution

The fourth proportional to 429,641.52, 592,905 and 238,672.68 is: 329,368.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,641.52 : 592,905 = 238,672.68 : x
  2. Step 2: Convert to fraction form
    429,641.52/592,905 = 238,672.68/x
  3. Step 3: Cross multiply
    429,641.52x = 592,905 × 238,672.68
  4. Step 4: Simplify right side
    429,641.52x = 141,510,225,335.40
  5. Step 5: Solve for x
    x = 141,510,225,335.40/429,641.52
  6. Step 6: Final answer
    x = 329,368.13

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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.