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Finding the Fourth Proportional to 303,034.69, 418,168.20 and 167,069.78

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Solution

The fourth proportional to 303,034.69, 418,168.20 and 167,069.78 is: 230,545.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,034.69 : 418,168.20 = 167,069.78 : x
  2. Step 2: Convert to fraction form
    303,034.69/418,168.20 = 167,069.78/x
  3. Step 3: Cross multiply
    303,034.69x = 418,168.20 × 167,069.78
  4. Step 4: Simplify right side
    303,034.69x = 69,863,269,177.00
  5. Step 5: Solve for x
    x = 69,863,269,177.00/303,034.69
  6. Step 6: Final answer
    x = 230,545.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.