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Finding the Fourth Proportional to 303,412.23, 418,713.30 and 167,452.52

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Solution

The fourth proportional to 303,412.23, 418,713.30 and 167,452.52 is: 231,086.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,412.23 : 418,713.30 = 167,452.52 : x
  2. Step 2: Convert to fraction form
    303,412.23/418,713.30 = 167,452.52/x
  3. Step 3: Cross multiply
    303,412.23x = 418,713.30 × 167,452.52
  4. Step 4: Simplify right side
    303,412.23x = 70,114,595,148.95
  5. Step 5: Solve for x
    x = 70,114,595,148.95/303,412.23
  6. Step 6: Final answer
    x = 231,086.91

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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.