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Finding the Fourth Proportional to 382,018.68, 527,188.91 and 238,861.71

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Solution

The fourth proportional to 382,018.68, 527,188.91 and 238,861.71 is: 329,631.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,018.68 : 527,188.91 = 238,861.71 : x
  2. Step 2: Convert to fraction form
    382,018.68/527,188.91 = 238,861.71/x
  3. Step 3: Cross multiply
    382,018.68x = 527,188.91 × 238,861.71
  4. Step 4: Simplify right side
    382,018.68x = 125,925,243,341.33
  5. Step 5: Solve for x
    x = 125,925,243,341.33/382,018.68
  6. Step 6: Final answer
    x = 329,631.11

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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.