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Finding the Fourth Proportional to 963.83, 1,446.53 and 501.75

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Solution

The fourth proportional to 963.83, 1,446.53 and 501.75 is: 753.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    963.83 : 1,446.53 = 501.75 : x
  2. Step 2: Convert to fraction form
    963.83/1,446.53 = 501.75/x
  3. Step 3: Cross multiply
    963.83x = 1,446.53 × 501.75
  4. Step 4: Simplify right side
    963.83x = 725,793.92
  5. Step 5: Solve for x
    x = 725,793.92/963.83
  6. Step 6: Final answer
    x = 753.03

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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.