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Finding the Fourth Proportional to 562.48, 775.98 and 452.12

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Solution

The fourth proportional to 562.48, 775.98 and 452.12 is: 623.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    562.48 : 775.98 = 452.12 : x
  2. Step 2: Convert to fraction form
    562.48/775.98 = 452.12/x
  3. Step 3: Cross multiply
    562.48x = 775.98 × 452.12
  4. Step 4: Simplify right side
    562.48x = 350,832.20
  5. Step 5: Solve for x
    x = 350,832.20/562.48
  6. Step 6: Final answer
    x = 623.73

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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.