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Finding the Fourth Proportional to 752.26, 1,037.44 and 503.92

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Solution

The fourth proportional to 752.26, 1,037.44 and 503.92 is: 694.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    752.26 : 1,037.44 = 503.92 : x
  2. Step 2: Convert to fraction form
    752.26/1,037.44 = 503.92/x
  3. Step 3: Cross multiply
    752.26x = 1,037.44 × 503.92
  4. Step 4: Simplify right side
    752.26x = 522,784.31
  5. Step 5: Solve for x
    x = 522,784.31/752.26
  6. Step 6: Final answer
    x = 694.95

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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.