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Finding the Fourth Proportional to 951.10, 1,425.72 and 463.88

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Solution

The fourth proportional to 951.10, 1,425.72 and 463.88 is: 695.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    951.10 : 1,425.72 = 463.88 : x
  2. Step 2: Convert to fraction form
    951.10/1,425.72 = 463.88/x
  3. Step 3: Cross multiply
    951.10x = 1,425.72 × 463.88
  4. Step 4: Simplify right side
    951.10x = 661,362.99
  5. Step 5: Solve for x
    x = 661,362.99/951.10
  6. Step 6: Final answer
    x = 695.37

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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.