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Finding the Fourth Proportional to 303,346.40, 454,983.15 and 125,834.90

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Solution

The fourth proportional to 303,346.40, 454,983.15 and 125,834.90 is: 188,737.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,346.40 : 454,983.15 = 125,834.90 : x
  2. Step 2: Convert to fraction form
    303,346.40/454,983.15 = 125,834.90/x
  3. Step 3: Cross multiply
    303,346.40x = 454,983.15 × 125,834.90
  4. Step 4: Simplify right side
    303,346.40x = 57,252,759,181.94
  5. Step 5: Solve for x
    x = 57,252,759,181.94/303,346.40
  6. Step 6: Final answer
    x = 188,737.23

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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.