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Finding the Fourth Proportional to 462.29, 637.81 and 265.76

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Solution

The fourth proportional to 462.29, 637.81 and 265.76 is: 366.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    462.29 : 637.81 = 265.76 : x
  2. Step 2: Convert to fraction form
    462.29/637.81 = 265.76/x
  3. Step 3: Cross multiply
    462.29x = 637.81 × 265.76
  4. Step 4: Simplify right side
    462.29x = 169,500.53
  5. Step 5: Solve for x
    x = 169,500.53/462.29
  6. Step 6: Final answer
    x = 366.65

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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.