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Finding the Fourth Proportional to 701.24, 1,050.90 and 444.28

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Solution

The fourth proportional to 701.24, 1,050.90 and 444.28 is: 665.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    701.24 : 1,050.90 = 444.28 : x
  2. Step 2: Convert to fraction form
    701.24/1,050.90 = 444.28/x
  3. Step 3: Cross multiply
    701.24x = 1,050.90 × 444.28
  4. Step 4: Simplify right side
    701.24x = 466,893.85
  5. Step 5: Solve for x
    x = 466,893.85/701.24
  6. Step 6: Final answer
    x = 665.81

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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.