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Finding the Fourth Proportional to 579,540, 799,768.08 and 337,990.08

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Solution

The fourth proportional to 579,540, 799,768.08 and 337,990.08 is: 466,427.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,540 : 799,768.08 = 337,990.08 : x
  2. Step 2: Convert to fraction form
    579,540/799,768.08 = 337,990.08/x
  3. Step 3: Cross multiply
    579,540x = 799,768.08 × 337,990.08
  4. Step 4: Simplify right side
    579,540x = 270,313,677,340.65
  5. Step 5: Solve for x
    x = 270,313,677,340.65/579,540
  6. Step 6: Final answer
    x = 466,427.99

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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.