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Finding the Fourth Proportional to 392,868.61, 588,809.88 and 167,964.70

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Solution

The fourth proportional to 392,868.61, 588,809.88 and 167,964.70 is: 251,736.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,868.61 : 588,809.88 = 167,964.70 : x
  2. Step 2: Convert to fraction form
    392,868.61/588,809.88 = 167,964.70/x
  3. Step 3: Cross multiply
    392,868.61x = 588,809.88 × 167,964.70
  4. Step 4: Simplify right side
    392,868.61x = 98,899,274,851.24
  5. Step 5: Solve for x
    x = 98,899,274,851.24/392,868.61
  6. Step 6: Final answer
    x = 251,736.26

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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.