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Finding the Fourth Proportional to 460.72, 691.32 and 244.24

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Solution

The fourth proportional to 460.72, 691.32 and 244.24 is: 366.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    460.72 : 691.32 = 244.24 : x
  2. Step 2: Convert to fraction form
    460.72/691.32 = 244.24/x
  3. Step 3: Cross multiply
    460.72x = 691.32 × 244.24
  4. Step 4: Simplify right side
    460.72x = 168,848.00
  5. Step 5: Solve for x
    x = 168,848.00/460.72
  6. Step 6: Final answer
    x = 366.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.