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Finding the Fourth Proportional to 373.97, 560.95 and 154.69

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Solution

The fourth proportional to 373.97, 560.95 and 154.69 is: 232.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.97 : 560.95 = 154.69 : x
  2. Step 2: Convert to fraction form
    373.97/560.95 = 154.69/x
  3. Step 3: Cross multiply
    373.97x = 560.95 × 154.69
  4. Step 4: Simplify right side
    373.97x = 86,773.36
  5. Step 5: Solve for x
    x = 86,773.36/373.97
  6. Step 6: Final answer
    x = 232.03

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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.