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Finding the Fourth Proportional to 475.74, 656.44 and 265.92

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Solution

The fourth proportional to 475.74, 656.44 and 265.92 is: 366.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    475.74 : 656.44 = 265.92 : x
  2. Step 2: Convert to fraction form
    475.74/656.44 = 265.92/x
  3. Step 3: Cross multiply
    475.74x = 656.44 × 265.92
  4. Step 4: Simplify right side
    475.74x = 174,560.52
  5. Step 5: Solve for x
    x = 174,560.52/475.74
  6. Step 6: Final answer
    x = 366.92

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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.