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Finding the Fourth Proportional to 392,574.84, 588,850.26 and 112,092.60

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Solution

The fourth proportional to 392,574.84, 588,850.26 and 112,092.60 is: 168,135.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,574.84 : 588,850.26 = 112,092.60 : x
  2. Step 2: Convert to fraction form
    392,574.84/588,850.26 = 112,092.60/x
  3. Step 3: Cross multiply
    392,574.84x = 588,850.26 × 112,092.60
  4. Step 4: Simplify right side
    392,574.84x = 66,005,756,654.08
  5. Step 5: Solve for x
    x = 66,005,756,654.08/392,574.84
  6. Step 6: Final answer
    x = 168,135.47

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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.