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Finding the Fourth Proportional to 327,874.80, 492,030.90 and 150,290.40

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Solution

The fourth proportional to 327,874.80, 492,030.90 and 150,290.40 is: 225,535.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,874.80 : 492,030.90 = 150,290.40 : x
  2. Step 2: Convert to fraction form
    327,874.80/492,030.90 = 150,290.40/x
  3. Step 3: Cross multiply
    327,874.80x = 492,030.90 × 150,290.40
  4. Step 4: Simplify right side
    327,874.80x = 73,947,520,773.36
  5. Step 5: Solve for x
    x = 73,947,520,773.36/327,874.80
  6. Step 6: Final answer
    x = 225,535.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.