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Finding the Fourth Proportional to 303,003.20, 454,504.80 and 92,613.80

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Solution

The fourth proportional to 303,003.20, 454,504.80 and 92,613.80 is: 138,920.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,003.20 : 454,504.80 = 92,613.80 : x
  2. Step 2: Convert to fraction form
    303,003.20/454,504.80 = 92,613.80/x
  3. Step 3: Cross multiply
    303,003.20x = 454,504.80 × 92,613.80
  4. Step 4: Simplify right side
    303,003.20x = 42,093,416,646.24
  5. Step 5: Solve for x
    x = 42,093,416,646.24/303,003.20
  6. Step 6: Final answer
    x = 138,920.70

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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.