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Finding the Fourth Proportional to 327,267.50, 490,901.88 and 90,610.88

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Solution

The fourth proportional to 327,267.50, 490,901.88 and 90,610.88 is: 135,916.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,267.50 : 490,901.88 = 90,610.88 : x
  2. Step 2: Convert to fraction form
    327,267.50/490,901.88 = 90,610.88/x
  3. Step 3: Cross multiply
    327,267.50x = 490,901.88 × 90,610.88
  4. Step 4: Simplify right side
    327,267.50x = 44,481,051,340.45
  5. Step 5: Solve for x
    x = 44,481,051,340.45/327,267.50
  6. Step 6: Final answer
    x = 135,916.49

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1.5x scale

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.