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Finding the Fourth Proportional to 2,048,839.80, 3,073,259.70 and 866,734.20

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Solution

The fourth proportional to 2,048,839.80, 3,073,259.70 and 866,734.20 is: 1,300,101.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,048,839.80 : 3,073,259.70 = 866,734.20 : x
  2. Step 2: Convert to fraction form
    2,048,839.80/3,073,259.70 = 866,734.20/x
  3. Step 3: Cross multiply
    2,048,839.80x = 3,073,259.70 × 866,734.20
  4. Step 4: Simplify right side
    2,048,839.80x = 2,663,699,287,471.74
  5. Step 5: Solve for x
    x = 2,663,699,287,471.74/2,048,839.80
  6. Step 6: Final answer
    x = 1,300,101.30

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Similar ratio
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1.5x scale

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.