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Finding the Fourth Proportional to 616.66, 925.44 and 463

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Solution

The fourth proportional to 616.66, 925.44 and 463 is: 694.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    616.66 : 925.44 = 463 : x
  2. Step 2: Convert to fraction form
    616.66/925.44 = 463/x
  3. Step 3: Cross multiply
    616.66x = 925.44 × 463
  4. Step 4: Simplify right side
    616.66x = 428,478.72
  5. Step 5: Solve for x
    x = 428,478.72/616.66
  6. Step 6: Final answer
    x = 694.84

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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.