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Finding the Fourth Proportional to 303,144.33, 454,591.38 and 103,480.81

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Solution

The fourth proportional to 303,144.33, 454,591.38 and 103,480.81 is: 155,178.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,144.33 : 454,591.38 = 103,480.81 : x
  2. Step 2: Convert to fraction form
    303,144.33/454,591.38 = 103,480.81/x
  3. Step 3: Cross multiply
    303,144.33x = 454,591.38 × 103,480.81
  4. Step 4: Simplify right side
    303,144.33x = 47,041,483,704.01
  5. Step 5: Solve for x
    x = 47,041,483,704.01/303,144.33
  6. Step 6: Final answer
    x = 155,178.51

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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.