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Finding the Fourth Proportional to 327,171.19, 490,406.86 and 149,411.83

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Solution

The fourth proportional to 327,171.19, 490,406.86 and 149,411.83 is: 223,957.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,171.19 : 490,406.86 = 149,411.83 : x
  2. Step 2: Convert to fraction form
    327,171.19/490,406.86 = 149,411.83/x
  3. Step 3: Cross multiply
    327,171.19x = 490,406.86 × 149,411.83
  4. Step 4: Simplify right side
    327,171.19x = 73,272,586,397.15
  5. Step 5: Solve for x
    x = 73,272,586,397.15/327,171.19
  6. Step 6: Final answer
    x = 223,957.94

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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.