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Finding the Fourth Proportional to 964.26, 1,446.84 and 501.79

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Solution

The fourth proportional to 964.26, 1,446.84 and 501.79 is: 752.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    964.26 : 1,446.84 = 501.79 : x
  2. Step 2: Convert to fraction form
    964.26/1,446.84 = 501.79/x
  3. Step 3: Cross multiply
    964.26x = 1,446.84 × 501.79
  4. Step 4: Simplify right side
    964.26x = 726,009.84
  5. Step 5: Solve for x
    x = 726,009.84/964.26
  6. Step 6: Final answer
    x = 752.92

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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.