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Finding the Fourth Proportional to 429,374.58, 592,509.50 and 238,387.92

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Solution

The fourth proportional to 429,374.58, 592,509.50 and 238,387.92 is: 328,960.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,374.58 : 592,509.50 = 238,387.92 : x
  2. Step 2: Convert to fraction form
    429,374.58/592,509.50 = 238,387.92/x
  3. Step 3: Cross multiply
    429,374.58x = 592,509.50 × 238,387.92
  4. Step 4: Simplify right side
    429,374.58x = 141,247,107,285.24
  5. Step 5: Solve for x
    x = 141,247,107,285.24/429,374.58
  6. Step 6: Final answer
    x = 328,960.11

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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.