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Finding the Fourth Proportional to 951.48, 1,425.15 and 463.50

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Solution

The fourth proportional to 951.48, 1,425.15 and 463.50 is: 694.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    951.48 : 1,425.15 = 463.50 : x
  2. Step 2: Convert to fraction form
    951.48/1,425.15 = 463.50/x
  3. Step 3: Cross multiply
    951.48x = 1,425.15 × 463.50
  4. Step 4: Simplify right side
    951.48x = 660,557.03
  5. Step 5: Solve for x
    x = 660,557.03/951.48
  6. Step 6: Final answer
    x = 694.24

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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.