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Finding the Fourth Proportional to 429,520.79, 592,722.46 and 238,546.48

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Solution

The fourth proportional to 429,520.79, 592,722.46 and 238,546.48 is: 329,185.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,520.79 : 592,722.46 = 238,546.48 : x
  2. Step 2: Convert to fraction form
    429,520.79/592,722.46 = 238,546.48/x
  3. Step 3: Cross multiply
    429,520.79x = 592,722.46 × 238,546.48
  4. Step 4: Simplify right side
    429,520.79x = 141,391,856,449.94
  5. Step 5: Solve for x
    x = 141,391,856,449.94/429,520.79
  6. Step 6: Final answer
    x = 329,185.13

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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.