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Finding the Fourth Proportional to 2,639,281.80, 3,704,947.80 and 2,639,281.80

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Solution

The fourth proportional to 2,639,281.80, 3,704,947.80 and 2,639,281.80 is: 3,704,947.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639,281.80 : 3,704,947.80 = 2,639,281.80 : x
  2. Step 2: Convert to fraction form
    2,639,281.80/3,704,947.80 = 2,639,281.80/x
  3. Step 3: Cross multiply
    2,639,281.80x = 3,704,947.80 × 2,639,281.80
  4. Step 4: Simplify right side
    2,639,281.80x = 9,778,401,298,490.04
  5. Step 5: Solve for x
    x = 9,778,401,298,490.04/2,639,281.80
  6. Step 6: Final answer
    x = 3,704,947.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.