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Finding the Fourth Proportional to 308,794.38, 426,241.36 and 181,507.74

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Solution

The fourth proportional to 308,794.38, 426,241.36 and 181,507.74 is: 250,542.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,794.38 : 426,241.36 = 181,507.74 : x
  2. Step 2: Convert to fraction form
    308,794.38/426,241.36 = 181,507.74/x
  3. Step 3: Cross multiply
    308,794.38x = 426,241.36 × 181,507.74
  4. Step 4: Simplify right side
    308,794.38x = 77,366,105,948.13
  5. Step 5: Solve for x
    x = 77,366,105,948.13/308,794.38
  6. Step 6: Final answer
    x = 250,542.47

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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.