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Finding the Fourth Proportional to 951.98, 1,314.36 and 730.53

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Solution

The fourth proportional to 951.98, 1,314.36 and 730.53 is: 1,008.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    951.98 : 1,314.36 = 730.53 : x
  2. Step 2: Convert to fraction form
    951.98/1,314.36 = 730.53/x
  3. Step 3: Cross multiply
    951.98x = 1,314.36 × 730.53
  4. Step 4: Simplify right side
    951.98x = 960,179.41
  5. Step 5: Solve for x
    x = 960,179.41/951.98
  6. Step 6: Final answer
    x = 1,008.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.