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Finding the Fourth Proportional to 950.61, 1,425.34 and 463.17

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Solution

The fourth proportional to 950.61, 1,425.34 and 463.17 is: 694.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    950.61 : 1,425.34 = 463.17 : x
  2. Step 2: Convert to fraction form
    950.61/1,425.34 = 463.17/x
  3. Step 3: Cross multiply
    950.61x = 1,425.34 × 463.17
  4. Step 4: Simplify right side
    950.61x = 660,174.73
  5. Step 5: Solve for x
    x = 660,174.73/950.61
  6. Step 6: Final answer
    x = 694.47

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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.