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Finding the Fourth Proportional to 6,264,078.40, 9,396,992.40 and 2,669,816.80

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Solution

The fourth proportional to 6,264,078.40, 9,396,992.40 and 2,669,816.80 is: 4,005,098.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,264,078.40 : 9,396,992.40 = 2,669,816.80 : x
  2. Step 2: Convert to fraction form
    6,264,078.40/9,396,992.40 = 2,669,816.80/x
  3. Step 3: Cross multiply
    6,264,078.40x = 9,396,992.40 × 2,669,816.80
  4. Step 4: Simplify right side
    6,264,078.40x = 25,088,248,178,992.32
  5. Step 5: Solve for x
    x = 25,088,248,178,992.32/6,264,078.40
  6. Step 6: Final answer
    x = 4,005,098.05

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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.