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Finding the Fourth Proportional to 373.97, 560.85 and 117.47

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Solution

The fourth proportional to 373.97, 560.85 and 117.47 is: 176.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.97 : 560.85 = 117.47 : x
  2. Step 2: Convert to fraction form
    373.97/560.85 = 117.47/x
  3. Step 3: Cross multiply
    373.97x = 560.85 × 117.47
  4. Step 4: Simplify right side
    373.97x = 65,880.25
  5. Step 5: Solve for x
    x = 65,880.25/373.97
  6. Step 6: Final answer
    x = 176.17

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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.