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Finding the Fourth Proportional to 2,448,279.90, 3,431,134.80 and 2,448,279.90

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Solution

The fourth proportional to 2,448,279.90, 3,431,134.80 and 2,448,279.90 is: 3,431,134.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,448,279.90 : 3,431,134.80 = 2,448,279.90 : x
  2. Step 2: Convert to fraction form
    2,448,279.90/3,431,134.80 = 2,448,279.90/x
  3. Step 3: Cross multiply
    2,448,279.90x = 3,431,134.80 × 2,448,279.90
  4. Step 4: Simplify right side
    2,448,279.90x = 8,400,378,365,030.52
  5. Step 5: Solve for x
    x = 8,400,378,365,030.52/2,448,279.90
  6. Step 6: Final answer
    x = 3,431,134.80

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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.