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Finding the Fourth Proportional to 1,000.48, 1,500.52 and 562.18

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Solution

The fourth proportional to 1,000.48, 1,500.52 and 562.18 is: 843.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000.48 : 1,500.52 = 562.18 : x
  2. Step 2: Convert to fraction form
    1,000.48/1,500.52 = 562.18/x
  3. Step 3: Cross multiply
    1,000.48x = 1,500.52 × 562.18
  4. Step 4: Simplify right side
    1,000.48x = 843,562.33
  5. Step 5: Solve for x
    x = 843,562.33/1,000.48
  6. Step 6: Final answer
    x = 843.16

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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.