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Finding the Fourth Proportional to 3,784,956.83, 5,677,159.77 and 1,479,018.05

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Solution

The fourth proportional to 3,784,956.83, 5,677,159.77 and 1,479,018.05 is: 2,218,419.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,784,956.83 : 5,677,159.77 = 1,479,018.05 : x
  2. Step 2: Convert to fraction form
    3,784,956.83/5,677,159.77 = 1,479,018.05/x
  3. Step 3: Cross multiply
    3,784,956.83x = 5,677,159.77 × 1,479,018.05
  4. Step 4: Simplify right side
    3,784,956.83x = 8,396,621,744,178.05
  5. Step 5: Solve for x
    x = 8,396,621,744,178.05/3,784,956.83
  6. Step 6: Final answer
    x = 2,218,419.43

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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.