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Finding the Fourth Proportional to 6,308,468.80, 9,451,816.80 and 2,935,758.40

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Solution

The fourth proportional to 6,308,468.80, 9,451,816.80 and 2,935,758.40 is: 4,398,571.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,308,468.80 : 9,451,816.80 = 2,935,758.40 : x
  2. Step 2: Convert to fraction form
    6,308,468.80/9,451,816.80 = 2,935,758.40/x
  3. Step 3: Cross multiply
    6,308,468.80x = 9,451,816.80 × 2,935,758.40
  4. Step 4: Simplify right side
    6,308,468.80x = 27,748,250,565,861.12
  5. Step 5: Solve for x
    x = 27,748,250,565,861.12/6,308,468.80
  6. Step 6: Final answer
    x = 4,398,571.42

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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.