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Finding the Fourth Proportional to 468,956.12, 704,375.71 and 279,785.54

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Solution

The fourth proportional to 468,956.12, 704,375.71 and 279,785.54 is: 420,240.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,956.12 : 704,375.71 = 279,785.54 : x
  2. Step 2: Convert to fraction form
    468,956.12/704,375.71 = 279,785.54/x
  3. Step 3: Cross multiply
    468,956.12x = 704,375.71 × 279,785.54
  4. Step 4: Simplify right side
    468,956.12x = 197,074,139,446.71
  5. Step 5: Solve for x
    x = 197,074,139,446.71/468,956.12
  6. Step 6: Final answer
    x = 420,240.05

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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.