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Finding the Fourth Proportional to 462.07, 637.48 and 265.43

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Solution

The fourth proportional to 462.07, 637.48 and 265.43 is: 366.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    462.07 : 637.48 = 265.43 : x
  2. Step 2: Convert to fraction form
    462.07/637.48 = 265.43/x
  3. Step 3: Cross multiply
    462.07x = 637.48 × 265.43
  4. Step 4: Simplify right side
    462.07x = 169,206.32
  5. Step 5: Solve for x
    x = 169,206.32/462.07
  6. Step 6: Final answer
    x = 366.19

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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.