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Finding the Fourth Proportional to 752.34, 1,037.94 and 441.84

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Solution

The fourth proportional to 752.34, 1,037.94 and 441.84 is: 609.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    752.34 : 1,037.94 = 441.84 : x
  2. Step 2: Convert to fraction form
    752.34/1,037.94 = 441.84/x
  3. Step 3: Cross multiply
    752.34x = 1,037.94 × 441.84
  4. Step 4: Simplify right side
    752.34x = 458,603.41
  5. Step 5: Solve for x
    x = 458,603.41/752.34
  6. Step 6: Final answer
    x = 609.57

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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.