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Finding the Fourth Proportional to 2,935,352.40, 4,398,881.40 and 2,171,230.80

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Solution

The fourth proportional to 2,935,352.40, 4,398,881.40 and 2,171,230.80 is: 3,253,778.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,935,352.40 : 4,398,881.40 = 2,171,230.80 : x
  2. Step 2: Convert to fraction form
    2,935,352.40/4,398,881.40 = 2,171,230.80/x
  3. Step 3: Cross multiply
    2,935,352.40x = 4,398,881.40 × 2,171,230.80
  4. Step 4: Simplify right side
    2,935,352.40x = 9,550,986,781,227.12
  5. Step 5: Solve for x
    x = 9,550,986,781,227.12/2,935,352.40
  6. Step 6: Final answer
    x = 3,253,778.59

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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.