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Finding the Fourth Proportional to 264,411.62, 396,345.94 and 104,422.71

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Solution

The fourth proportional to 264,411.62, 396,345.94 and 104,422.71 is: 156,526.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,411.62 : 396,345.94 = 104,422.71 : x
  2. Step 2: Convert to fraction form
    264,411.62/396,345.94 = 104,422.71/x
  3. Step 3: Cross multiply
    264,411.62x = 396,345.94 × 104,422.71
  4. Step 4: Simplify right side
    264,411.62x = 41,387,516,891.24
  5. Step 5: Solve for x
    x = 41,387,516,891.24/264,411.62
  6. Step 6: Final answer
    x = 156,526.85

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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.