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Finding the Fourth Proportional to 616.48, 924.70 and 251.16

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Solution

The fourth proportional to 616.48, 924.70 and 251.16 is: 376.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    616.48 : 924.70 = 251.16 : x
  2. Step 2: Convert to fraction form
    616.48/924.70 = 251.16/x
  3. Step 3: Cross multiply
    616.48x = 924.70 × 251.16
  4. Step 4: Simplify right side
    616.48x = 232,247.65
  5. Step 5: Solve for x
    x = 232,247.65/616.48
  6. Step 6: Final answer
    x = 376.73

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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.