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Finding the Fourth Proportional to 1,986,263.22, 2,979,422.52 and 566,319.29

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Solution

The fourth proportional to 1,986,263.22, 2,979,422.52 and 566,319.29 is: 849,486.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,986,263.22 : 2,979,422.52 = 566,319.29 : x
  2. Step 2: Convert to fraction form
    1,986,263.22/2,979,422.52 = 566,319.29/x
  3. Step 3: Cross multiply
    1,986,263.22x = 2,979,422.52 × 566,319.29
  4. Step 4: Simplify right side
    1,986,263.22x = 1,687,304,453,584.97
  5. Step 5: Solve for x
    x = 1,687,304,453,584.97/1,986,263.22
  6. Step 6: Final answer
    x = 849,486.83

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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.