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Finding the Fourth Proportional to 616.18, 924.57 and 251.07

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Solution

The fourth proportional to 616.18, 924.57 and 251.07 is: 376.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    616.18 : 924.57 = 251.07 : x
  2. Step 2: Convert to fraction form
    616.18/924.57 = 251.07/x
  3. Step 3: Cross multiply
    616.18x = 924.57 × 251.07
  4. Step 4: Simplify right side
    616.18x = 232,131.79
  5. Step 5: Solve for x
    x = 232,131.79/616.18
  6. Step 6: Final answer
    x = 376.73

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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.