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Finding the Fourth Proportional to 460.95, 691.21 and 244.47

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Solution

The fourth proportional to 460.95, 691.21 and 244.47 is: 366.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    460.95 : 691.21 = 244.47 : x
  2. Step 2: Convert to fraction form
    460.95/691.21 = 244.47/x
  3. Step 3: Cross multiply
    460.95x = 691.21 × 244.47
  4. Step 4: Simplify right side
    460.95x = 168,980.11
  5. Step 5: Solve for x
    x = 168,980.11/460.95
  6. Step 6: Final answer
    x = 366.59

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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.