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Finding the Fourth Proportional to 303,225.39, 455,139.11 and 161,071.97

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Solution

The fourth proportional to 303,225.39, 455,139.11 and 161,071.97 is: 241,767.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,225.39 : 455,139.11 = 161,071.97 : x
  2. Step 2: Convert to fraction form
    303,225.39/455,139.11 = 161,071.97/x
  3. Step 3: Cross multiply
    303,225.39x = 455,139.11 × 161,071.97
  4. Step 4: Simplify right side
    303,225.39x = 73,310,151,198.73
  5. Step 5: Solve for x
    x = 73,310,151,198.73/303,225.39
  6. Step 6: Final answer
    x = 241,767.85

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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.