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Finding the Fourth Proportional to 373.68, 560.85 and 178.92

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Solution

The fourth proportional to 373.68, 560.85 and 178.92 is: 268.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.68 : 560.85 = 178.92 : x
  2. Step 2: Convert to fraction form
    373.68/560.85 = 178.92/x
  3. Step 3: Cross multiply
    373.68x = 560.85 × 178.92
  4. Step 4: Simplify right side
    373.68x = 100,347.28
  5. Step 5: Solve for x
    x = 100,347.28/373.68
  6. Step 6: Final answer
    x = 268.54

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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.