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Finding the Fourth Proportional to 488,381.32, 733,694.78 and 344,617.93

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Solution

The fourth proportional to 488,381.32, 733,694.78 and 344,617.93 is: 517,719.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,381.32 : 733,694.78 = 344,617.93 : x
  2. Step 2: Convert to fraction form
    488,381.32/733,694.78 = 344,617.93/x
  3. Step 3: Cross multiply
    488,381.32x = 733,694.78 × 344,617.93
  4. Step 4: Simplify right side
    488,381.32x = 252,844,376,335.41
  5. Step 5: Solve for x
    x = 252,844,376,335.41/488,381.32
  6. Step 6: Final answer
    x = 517,719.18

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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.