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Finding the Fourth Proportional to 462.23, 637.87 and 265.73

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Solution

The fourth proportional to 462.23, 637.87 and 265.73 is: 366.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    462.23 : 637.87 = 265.73 : x
  2. Step 2: Convert to fraction form
    462.23/637.87 = 265.73/x
  3. Step 3: Cross multiply
    462.23x = 637.87 × 265.73
  4. Step 4: Simplify right side
    462.23x = 169,501.20
  5. Step 5: Solve for x
    x = 169,501.20/462.23
  6. Step 6: Final answer
    x = 366.70

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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.