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Finding the Fourth Proportional to 461, 691.56 and 244.76

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Solution

The fourth proportional to 461, 691.56 and 244.76 is: 367.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    461 : 691.56 = 244.76 : x
  2. Step 2: Convert to fraction form
    461/691.56 = 244.76/x
  3. Step 3: Cross multiply
    461x = 691.56 × 244.76
  4. Step 4: Simplify right side
    461x = 169,266.23
  5. Step 5: Solve for x
    x = 169,266.23/461
  6. Step 6: Final answer
    x = 367.17

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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.