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Finding the Fourth Proportional to 616.60, 923.82 and 373.24

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Solution

The fourth proportional to 616.60, 923.82 and 373.24 is: 559.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    616.60 : 923.82 = 373.24 : x
  2. Step 2: Convert to fraction form
    616.60/923.82 = 373.24/x
  3. Step 3: Cross multiply
    616.60x = 923.82 × 373.24
  4. Step 4: Simplify right side
    616.60x = 344,806.58
  5. Step 5: Solve for x
    x = 344,806.58/616.60
  6. Step 6: Final answer
    x = 559.21

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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.