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Finding the Fourth Proportional to 381,493.84, 526,463.68 and 238,337.04

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Solution

The fourth proportional to 381,493.84, 526,463.68 and 238,337.04 is: 328,906.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,493.84 : 526,463.68 = 238,337.04 : x
  2. Step 2: Convert to fraction form
    381,493.84/526,463.68 = 238,337.04/x
  3. Step 3: Cross multiply
    381,493.84x = 526,463.68 × 238,337.04
  4. Step 4: Simplify right side
    381,493.84x = 125,475,795,158.71
  5. Step 5: Solve for x
    x = 125,475,795,158.71/381,493.84
  6. Step 6: Final answer
    x = 328,906.48

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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.