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Finding the Fourth Proportional to 295,990.71, 408,370.61 and 181,149.82

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Solution

The fourth proportional to 295,990.71, 408,370.61 and 181,149.82 is: 249,927.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,990.71 : 408,370.61 = 181,149.82 : x
  2. Step 2: Convert to fraction form
    295,990.71/408,370.61 = 181,149.82/x
  3. Step 3: Cross multiply
    295,990.71x = 408,370.61 × 181,149.82
  4. Step 4: Simplify right side
    295,990.71x = 73,976,261,926.74
  5. Step 5: Solve for x
    x = 73,976,261,926.74/295,990.71
  6. Step 6: Final answer
    x = 249,927.65

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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.