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Finding the Fourth Proportional to 616.57, 924.05 and 251.16

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Solution

The fourth proportional to 616.57, 924.05 and 251.16 is: 376.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    616.57 : 924.05 = 251.16 : x
  2. Step 2: Convert to fraction form
    616.57/924.05 = 251.16/x
  3. Step 3: Cross multiply
    616.57x = 924.05 × 251.16
  4. Step 4: Simplify right side
    616.57x = 232,084.40
  5. Step 5: Solve for x
    x = 232,084.40/616.57
  6. Step 6: Final answer
    x = 376.41

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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.