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Finding the Fourth Proportional to 592,480.72, 816,772.84 and 422,419.60

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Solution

The fourth proportional to 592,480.72, 816,772.84 and 422,419.60 is: 582,332.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,480.72 : 816,772.84 = 422,419.60 : x
  2. Step 2: Convert to fraction form
    592,480.72/816,772.84 = 422,419.60/x
  3. Step 3: Cross multiply
    592,480.72x = 816,772.84 × 422,419.60
  4. Step 4: Simplify right side
    592,480.72x = 345,020,856,363.66
  5. Step 5: Solve for x
    x = 345,020,856,363.66/592,480.72
  6. Step 6: Final answer
    x = 582,332.63

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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.