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Finding the Fourth Proportional to 617.18, 925.47 and 232.34

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Solution

The fourth proportional to 617.18, 925.47 and 232.34 is: 348.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    617.18 : 925.47 = 232.34 : x
  2. Step 2: Convert to fraction form
    617.18/925.47 = 232.34/x
  3. Step 3: Cross multiply
    617.18x = 925.47 × 232.34
  4. Step 4: Simplify right side
    617.18x = 215,023.70
  5. Step 5: Solve for x
    x = 215,023.70/617.18
  6. Step 6: Final answer
    x = 348.40

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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.