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Finding the Fourth Proportional to 303,632.80, 454,720.20 and 163,081.60

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Solution

The fourth proportional to 303,632.80, 454,720.20 and 163,081.60 is: 244,230.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,632.80 : 454,720.20 = 163,081.60 : x
  2. Step 2: Convert to fraction form
    303,632.80/454,720.20 = 163,081.60/x
  3. Step 3: Cross multiply
    303,632.80x = 454,720.20 × 163,081.60
  4. Step 4: Simplify right side
    303,632.80x = 74,156,497,768.32
  5. Step 5: Solve for x
    x = 74,156,497,768.32/303,632.80
  6. Step 6: Final answer
    x = 244,230.85

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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.