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Finding the Fourth Proportional to 474.59, 712.00 and 149.96

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Solution

The fourth proportional to 474.59, 712.00 and 149.96 is: 224.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    474.59 : 712.00 = 149.96 : x
  2. Step 2: Convert to fraction form
    474.59/712.00 = 149.96/x
  3. Step 3: Cross multiply
    474.59x = 712.00 × 149.96
  4. Step 4: Simplify right side
    474.59x = 106,767.59
  5. Step 5: Solve for x
    x = 106,767.59/474.59
  6. Step 6: Final answer
    x = 224.97

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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.