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Finding the Fourth Proportional to 617.43, 926.15 and 232.59

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Solution

The fourth proportional to 617.43, 926.15 and 232.59 is: 348.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    617.43 : 926.15 = 232.59 : x
  2. Step 2: Convert to fraction form
    617.43/926.15 = 232.59/x
  3. Step 3: Cross multiply
    617.43x = 926.15 × 232.59
  4. Step 4: Simplify right side
    617.43x = 215,412.07
  5. Step 5: Solve for x
    x = 215,412.07/617.43
  6. Step 6: Final answer
    x = 348.89

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Double scale
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Similar ratio
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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.