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Finding the Fourth Proportional to 752.24, 1,037.73 and 472.82

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Solution

The fourth proportional to 752.24, 1,037.73 and 472.82 is: 652.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    752.24 : 1,037.73 = 472.82 : x
  2. Step 2: Convert to fraction form
    752.24/1,037.73 = 472.82/x
  3. Step 3: Cross multiply
    752.24x = 1,037.73 × 472.82
  4. Step 4: Simplify right side
    752.24x = 490,659.50
  5. Step 5: Solve for x
    x = 490,659.50/752.24
  6. Step 6: Final answer
    x = 652.26

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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.