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Finding the Fourth Proportional to 382,019.68, 527,190.29 and 238,862.71

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Solution

The fourth proportional to 382,019.68, 527,190.29 and 238,862.71 is: 329,632.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,019.68 : 527,190.29 = 238,862.71 : x
  2. Step 2: Convert to fraction form
    382,019.68/527,190.29 = 238,862.71/x
  3. Step 3: Cross multiply
    382,019.68x = 527,190.29 × 238,862.71
  4. Step 4: Simplify right side
    382,019.68x = 125,926,101,355.09
  5. Step 5: Solve for x
    x = 125,926,101,355.09/382,019.68
  6. Step 6: Final answer
    x = 329,632.50

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1.5x scale

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.