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Finding the Fourth Proportional to 963.76, 1,444.48 and 500.88

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Solution

The fourth proportional to 963.76, 1,444.48 and 500.88 is: 750.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    963.76 : 1,444.48 = 500.88 : x
  2. Step 2: Convert to fraction form
    963.76/1,444.48 = 500.88/x
  3. Step 3: Cross multiply
    963.76x = 1,444.48 × 500.88
  4. Step 4: Simplify right side
    963.76x = 723,511.14
  5. Step 5: Solve for x
    x = 723,511.14/963.76
  6. Step 6: Final answer
    x = 750.72

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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.