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Finding the Fourth Proportional to 462.10, 637.68 and 265.60

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Solution

The fourth proportional to 462.10, 637.68 and 265.60 is: 366.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    462.10 : 637.68 = 265.60 : x
  2. Step 2: Convert to fraction form
    462.10/637.68 = 265.60/x
  3. Step 3: Cross multiply
    462.10x = 637.68 × 265.60
  4. Step 4: Simplify right side
    462.10x = 169,364.62
  5. Step 5: Solve for x
    x = 169,364.62/462.10
  6. Step 6: Final answer
    x = 366.51

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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.