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Finding the Fourth Proportional to 1,760,959.20, 2,642,605.20 and 1,002,799.20

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Solution

The fourth proportional to 1,760,959.20, 2,642,605.20 and 1,002,799.20 is: 1,504,863.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,760,959.20 : 2,642,605.20 = 1,002,799.20 : x
  2. Step 2: Convert to fraction form
    1,760,959.20/2,642,605.20 = 1,002,799.20/x
  3. Step 3: Cross multiply
    1,760,959.20x = 2,642,605.20 × 1,002,799.20
  4. Step 4: Simplify right side
    1,760,959.20x = 2,650,002,380,475.84
  5. Step 5: Solve for x
    x = 2,650,002,380,475.84/1,760,959.20
  6. Step 6: Final answer
    x = 1,504,863.02

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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.