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Finding the Fourth Proportional to 269,585.50, 372,028 and 150,353.50

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Solution

The fourth proportional to 269,585.50, 372,028 and 150,353.50 is: 207,487.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,585.50 : 372,028 = 150,353.50 : x
  2. Step 2: Convert to fraction form
    269,585.50/372,028 = 150,353.50/x
  3. Step 3: Cross multiply
    269,585.50x = 372,028 × 150,353.50
  4. Step 4: Simplify right side
    269,585.50x = 55,935,711,898
  5. Step 5: Solve for x
    x = 55,935,711,898/269,585.50
  6. Step 6: Final answer
    x = 207,487.84

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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.