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Finding the Fourth Proportional to 327,143.00, 490,351.52 and 137,547.11

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Solution

The fourth proportional to 327,143.00, 490,351.52 and 137,547.11 is: 206,168.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,143.00 : 490,351.52 = 137,547.11 : x
  2. Step 2: Convert to fraction form
    327,143.00/490,351.52 = 137,547.11/x
  3. Step 3: Cross multiply
    327,143.00x = 490,351.52 × 137,547.11
  4. Step 4: Simplify right side
    327,143.00x = 67,446,436,029.85
  5. Step 5: Solve for x
    x = 67,446,436,029.85/327,143.00
  6. Step 6: Final answer
    x = 206,168.05

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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.