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Finding the Fourth Proportional to 592,375.66, 816,628.17 and 422,314.54

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Solution

The fourth proportional to 592,375.66, 816,628.17 and 422,314.54 is: 582,187.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,375.66 : 816,628.17 = 422,314.54 : x
  2. Step 2: Convert to fraction form
    592,375.66/816,628.17 = 422,314.54/x
  3. Step 3: Cross multiply
    592,375.66x = 816,628.17 × 422,314.54
  4. Step 4: Simplify right side
    592,375.66x = 344,873,949,964.59
  5. Step 5: Solve for x
    x = 344,873,949,964.59/592,375.66
  6. Step 6: Final answer
    x = 582,187.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.