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Finding the Fourth Proportional to 735.46, 1,012.42 and 652.44

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Solution

The fourth proportional to 735.46, 1,012.42 and 652.44 is: 898.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    735.46 : 1,012.42 = 652.44 : x
  2. Step 2: Convert to fraction form
    735.46/1,012.42 = 652.44/x
  3. Step 3: Cross multiply
    735.46x = 1,012.42 × 652.44
  4. Step 4: Simplify right side
    735.46x = 660,543.30
  5. Step 5: Solve for x
    x = 660,543.30/735.46
  6. Step 6: Final answer
    x = 898.14

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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.