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Finding the Fourth Proportional to 616.68, 925.29 and 183.87

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Solution

The fourth proportional to 616.68, 925.29 and 183.87 is: 275.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    616.68 : 925.29 = 183.87 : x
  2. Step 2: Convert to fraction form
    616.68/925.29 = 183.87/x
  3. Step 3: Cross multiply
    616.68x = 925.29 × 183.87
  4. Step 4: Simplify right side
    616.68x = 170,133.07
  5. Step 5: Solve for x
    x = 170,133.07/616.68
  6. Step 6: Final answer
    x = 275.89

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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.