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Finding the Fourth Proportional to 579, 868.52 and 237

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Solution

The fourth proportional to 579, 868.52 and 237 is: 355.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    579 : 868.52 = 237 : x
  2. Step 2: Convert to fraction form
    579/868.52 = 237/x
  3. Step 3: Cross multiply
    579x = 868.52 × 237
  4. Step 4: Simplify right side
    579x = 205,839.24
  5. Step 5: Solve for x
    x = 205,839.24/579
  6. Step 6: Final answer
    x = 355.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.