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Finding the Fourth Proportional to 6,840,830.40, 10,254,830.40 and 2,583,859.20

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Solution

The fourth proportional to 6,840,830.40, 10,254,830.40 and 2,583,859.20 is: 3,873,365.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,840,830.40 : 10,254,830.40 = 2,583,859.20 : x
  2. Step 2: Convert to fraction form
    6,840,830.40/10,254,830.40 = 2,583,859.20/x
  3. Step 3: Cross multiply
    6,840,830.40x = 10,254,830.40 × 2,583,859.20
  4. Step 4: Simplify right side
    6,840,830.40x = 26,497,037,873,479.68
  5. Step 5: Solve for x
    x = 26,497,037,873,479.68/6,840,830.40
  6. Step 6: Final answer
    x = 3,873,365.71

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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.