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Finding the Fourth Proportional to 269,581.50, 372,022.47 and 150,349.50

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Solution

The fourth proportional to 269,581.50, 372,022.47 and 150,349.50 is: 207,482.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,581.50 : 372,022.47 = 150,349.50 : x
  2. Step 2: Convert to fraction form
    269,581.50/372,022.47 = 150,349.50/x
  3. Step 3: Cross multiply
    269,581.50x = 372,022.47 × 150,349.50
  4. Step 4: Simplify right side
    269,581.50x = 55,933,392,353.27
  5. Step 5: Solve for x
    x = 55,933,392,353.27/269,581.50
  6. Step 6: Final answer
    x = 207,482.31

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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.