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Finding the Fourth Proportional to 270,585.52, 373,447.43 and 155,841.83

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Solution

The fourth proportional to 270,585.52, 373,447.43 and 155,841.83 is: 215,084.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,585.52 : 373,447.43 = 155,841.83 : x
  2. Step 2: Convert to fraction form
    270,585.52/373,447.43 = 155,841.83/x
  3. Step 3: Cross multiply
    270,585.52x = 373,447.43 × 155,841.83
  4. Step 4: Simplify right side
    270,585.52x = 58,198,729,653.98
  5. Step 5: Solve for x
    x = 58,198,729,653.98/270,585.52
  6. Step 6: Final answer
    x = 215,084.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.