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Finding the Fourth Proportional to 303,351.15, 454,990.28 and 125,839.65

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Solution

The fourth proportional to 303,351.15, 454,990.28 and 125,839.65 is: 188,744.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,351.15 : 454,990.28 = 125,839.65 : x
  2. Step 2: Convert to fraction form
    303,351.15/454,990.28 = 125,839.65/x
  3. Step 3: Cross multiply
    303,351.15x = 454,990.28 × 125,839.65
  4. Step 4: Simplify right side
    303,351.15x = 57,255,816,959.40
  5. Step 5: Solve for x
    x = 57,255,816,959.40/303,351.15
  6. Step 6: Final answer
    x = 188,744.35

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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.