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Finding the Fourth Proportional to 407.27, 562.03 and 232.61

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Solution

The fourth proportional to 407.27, 562.03 and 232.61 is: 321.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    407.27 : 562.03 = 232.61 : x
  2. Step 2: Convert to fraction form
    407.27/562.03 = 232.61/x
  3. Step 3: Cross multiply
    407.27x = 562.03 × 232.61
  4. Step 4: Simplify right side
    407.27x = 130,733.80
  5. Step 5: Solve for x
    x = 130,733.80/407.27
  6. Step 6: Final answer
    x = 321.00

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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.