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Finding the Fourth Proportional to 2,340,340.80, 3,280,900.80 and 2,340,340.80

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Solution

The fourth proportional to 2,340,340.80, 3,280,900.80 and 2,340,340.80 is: 3,280,900.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,340,340.80 : 3,280,900.80 = 2,340,340.80 : x
  2. Step 2: Convert to fraction form
    2,340,340.80/3,280,900.80 = 2,340,340.80/x
  3. Step 3: Cross multiply
    2,340,340.80x = 3,280,900.80 × 2,340,340.80
  4. Step 4: Simplify right side
    2,340,340.80x = 7,678,426,002,992.64
  5. Step 5: Solve for x
    x = 7,678,426,002,992.64/2,340,340.80
  6. Step 6: Final answer
    x = 3,280,900.80

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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.