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Finding the Fourth Proportional to 303,144.08, 454,591.00 and 103,480.56

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Solution

The fourth proportional to 303,144.08, 454,591.00 and 103,480.56 is: 155,178.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,144.08 : 454,591.00 = 103,480.56 : x
  2. Step 2: Convert to fraction form
    303,144.08/454,591.00 = 103,480.56/x
  3. Step 3: Cross multiply
    303,144.08x = 454,591.00 × 103,480.56
  4. Step 4: Simplify right side
    303,144.08x = 47,041,331,380.31
  5. Step 5: Solve for x
    x = 47,041,331,380.31/303,144.08
  6. Step 6: Final answer
    x = 155,178.13

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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.