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Finding the Fourth Proportional to 701.45, 1,052.17 and 529.22

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Solution

The fourth proportional to 701.45, 1,052.17 and 529.22 is: 793.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    701.45 : 1,052.17 = 529.22 : x
  2. Step 2: Convert to fraction form
    701.45/1,052.17 = 529.22/x
  3. Step 3: Cross multiply
    701.45x = 1,052.17 × 529.22
  4. Step 4: Simplify right side
    701.45x = 556,829.41
  5. Step 5: Solve for x
    x = 556,829.41/701.45
  6. Step 6: Final answer
    x = 793.83

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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.