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Finding the Fourth Proportional to 284,009.59, 391,863.17 and 173,599.96

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Solution

The fourth proportional to 284,009.59, 391,863.17 and 173,599.96 is: 239,525.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,009.59 : 391,863.17 = 173,599.96 : x
  2. Step 2: Convert to fraction form
    284,009.59/391,863.17 = 173,599.96/x
  3. Step 3: Cross multiply
    284,009.59x = 391,863.17 × 173,599.96
  4. Step 4: Simplify right side
    284,009.59x = 68,027,429,850.06
  5. Step 5: Solve for x
    x = 68,027,429,850.06/284,009.59
  6. Step 6: Final answer
    x = 239,525.11

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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.