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Finding the Fourth Proportional to 375, 562.56 and 169.68

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Solution

The fourth proportional to 375, 562.56 and 169.68 is: 254.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    375 : 562.56 = 169.68 : x
  2. Step 2: Convert to fraction form
    375/562.56 = 169.68/x
  3. Step 3: Cross multiply
    375x = 562.56 × 169.68
  4. Step 4: Simplify right side
    375x = 95,455.18
  5. Step 5: Solve for x
    x = 95,455.18/375
  6. Step 6: Final answer
    x = 254.55

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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.