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Finding the Fourth Proportional to 577,198.10, 865,797.12 and 156,463.04

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Solution

The fourth proportional to 577,198.10, 865,797.12 and 156,463.04 is: 234,694.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,198.10 : 865,797.12 = 156,463.04 : x
  2. Step 2: Convert to fraction form
    577,198.10/865,797.12 = 156,463.04/x
  3. Step 3: Cross multiply
    577,198.10x = 865,797.12 × 156,463.04
  4. Step 4: Simplify right side
    577,198.10x = 135,465,249,418.45
  5. Step 5: Solve for x
    x = 135,465,249,418.45/577,198.10
  6. Step 6: Final answer
    x = 234,694.55

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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.