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Finding the Fourth Proportional to 482,859.40, 724,289.10 and 303,233.80

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Solution

The fourth proportional to 482,859.40, 724,289.10 and 303,233.80 is: 454,850.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,859.40 : 724,289.10 = 303,233.80 : x
  2. Step 2: Convert to fraction form
    482,859.40/724,289.10 = 303,233.80/x
  3. Step 3: Cross multiply
    482,859.40x = 724,289.10 × 303,233.80
  4. Step 4: Simplify right side
    482,859.40x = 219,628,936,091.58
  5. Step 5: Solve for x
    x = 219,628,936,091.58/482,859.40
  6. Step 6: Final answer
    x = 454,850.70

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Similar ratio
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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.