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Finding the Fourth Proportional to 616.54, 924.96 and 183.68

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Solution

The fourth proportional to 616.54, 924.96 and 183.68 is: 275.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    616.54 : 924.96 = 183.68 : x
  2. Step 2: Convert to fraction form
    616.54/924.96 = 183.68/x
  3. Step 3: Cross multiply
    616.54x = 924.96 × 183.68
  4. Step 4: Simplify right side
    616.54x = 169,896.65
  5. Step 5: Solve for x
    x = 169,896.65/616.54
  6. Step 6: Final answer
    x = 275.56

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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.