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Finding the Fourth Proportional to 303,561.54, 418,912.56 and 167,595.75

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Solution

The fourth proportional to 303,561.54, 418,912.56 and 167,595.75 is: 231,280.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,561.54 : 418,912.56 = 167,595.75 : x
  2. Step 2: Convert to fraction form
    303,561.54/418,912.56 = 167,595.75/x
  3. Step 3: Cross multiply
    303,561.54x = 418,912.56 × 167,595.75
  4. Step 4: Simplify right side
    303,561.54x = 70,207,964,677.62
  5. Step 5: Solve for x
    x = 70,207,964,677.62/303,561.54
  6. Step 6: Final answer
    x = 231,280.83

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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.