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Finding the Fourth Proportional to 382,063.56, 527,028.12 and 238,574.52

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Solution

The fourth proportional to 382,063.56, 527,028.12 and 238,574.52 is: 329,095.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,063.56 : 527,028.12 = 238,574.52 : x
  2. Step 2: Convert to fraction form
    382,063.56/527,028.12 = 238,574.52/x
  3. Step 3: Cross multiply
    382,063.56x = 527,028.12 × 238,574.52
  4. Step 4: Simplify right side
    382,063.56x = 125,735,480,755.50
  5. Step 5: Solve for x
    x = 125,735,480,755.50/382,063.56
  6. Step 6: Final answer
    x = 329,095.72

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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.