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Finding the Fourth Proportional to 529,245.53, 730,306.13 and 299,757.01

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Solution

The fourth proportional to 529,245.53, 730,306.13 and 299,757.01 is: 413,634.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,245.53 : 730,306.13 = 299,757.01 : x
  2. Step 2: Convert to fraction form
    529,245.53/730,306.13 = 299,757.01/x
  3. Step 3: Cross multiply
    529,245.53x = 730,306.13 × 299,757.01
  4. Step 4: Simplify right side
    529,245.53x = 218,914,381,913.47
  5. Step 5: Solve for x
    x = 218,914,381,913.47/529,245.53
  6. Step 6: Final answer
    x = 413,634.83

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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.