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Finding the Fourth Proportional to 958.97, 1,437.68 and 496.88

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Solution

The fourth proportional to 958.97, 1,437.68 and 496.88 is: 744.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    958.97 : 1,437.68 = 496.88 : x
  2. Step 2: Convert to fraction form
    958.97/1,437.68 = 496.88/x
  3. Step 3: Cross multiply
    958.97x = 1,437.68 × 496.88
  4. Step 4: Simplify right side
    958.97x = 714,354.44
  5. Step 5: Solve for x
    x = 714,354.44/958.97
  6. Step 6: Final answer
    x = 744.92

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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.