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Finding the Fourth Proportional to 2,002,247.20, 2,808,744.80 and 2,002,247.20

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Solution

The fourth proportional to 2,002,247.20, 2,808,744.80 and 2,002,247.20 is: 2,808,744.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,002,247.20 : 2,808,744.80 = 2,002,247.20 : x
  2. Step 2: Convert to fraction form
    2,002,247.20/2,808,744.80 = 2,002,247.20/x
  3. Step 3: Cross multiply
    2,002,247.20x = 2,808,744.80 × 2,002,247.20
  4. Step 4: Simplify right side
    2,002,247.20x = 5,623,801,411,314.56
  5. Step 5: Solve for x
    x = 5,623,801,411,314.56/2,002,247.20
  6. Step 6: Final answer
    x = 2,808,744.80

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1.5x scale

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.