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Finding the Fourth Proportional to 585,350.56, 807,843.60 and 422,141.92

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Solution

The fourth proportional to 585,350.56, 807,843.60 and 422,141.92 is: 582,599.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,350.56 : 807,843.60 = 422,141.92 : x
  2. Step 2: Convert to fraction form
    585,350.56/807,843.60 = 422,141.92/x
  3. Step 3: Cross multiply
    585,350.56x = 807,843.60 × 422,141.92
  4. Step 4: Simplify right side
    585,350.56x = 341,024,648,363.71
  5. Step 5: Solve for x
    x = 341,024,648,363.71/585,350.56
  6. Step 6: Final answer
    x = 582,599.00

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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.