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Finding the Fourth Proportional to 488,380.32, 733,693.28 and 344,616.93

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Solution

The fourth proportional to 488,380.32, 733,693.28 and 344,616.93 is: 517,717.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,380.32 : 733,693.28 = 344,616.93 : x
  2. Step 2: Convert to fraction form
    488,380.32/733,693.28 = 344,616.93/x
  3. Step 3: Cross multiply
    488,380.32x = 733,693.28 × 344,616.93
  4. Step 4: Simplify right side
    488,380.32x = 252,843,123,992.15
  5. Step 5: Solve for x
    x = 252,843,123,992.15/488,380.32
  6. Step 6: Final answer
    x = 517,717.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.