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Finding the Fourth Proportional to 476.24, 658.68 and 451.96

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Solution

The fourth proportional to 476.24, 658.68 and 451.96 is: 625.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    476.24 : 658.68 = 451.96 : x
  2. Step 2: Convert to fraction form
    476.24/658.68 = 451.96/x
  3. Step 3: Cross multiply
    476.24x = 658.68 × 451.96
  4. Step 4: Simplify right side
    476.24x = 297,697.01
  5. Step 5: Solve for x
    x = 297,697.01/476.24
  6. Step 6: Final answer
    x = 625.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.