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Finding the Fourth Proportional to 6,474,502.80, 9,703,978.20 and 2,686,035.60

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Solution

The fourth proportional to 6,474,502.80, 9,703,978.20 and 2,686,035.60 is: 4,025,827.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,474,502.80 : 9,703,978.20 = 2,686,035.60 : x
  2. Step 2: Convert to fraction form
    6,474,502.80/9,703,978.20 = 2,686,035.60/x
  3. Step 3: Cross multiply
    6,474,502.80x = 9,703,978.20 × 2,686,035.60
  4. Step 4: Simplify right side
    6,474,502.80x = 26,065,230,906,823.92
  5. Step 5: Solve for x
    x = 26,065,230,906,823.92/6,474,502.80
  6. Step 6: Final answer
    x = 4,025,827.42

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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.