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Finding the Fourth Proportional to 303,565.38, 418,909.21 and 167,596.48

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Solution

The fourth proportional to 303,565.38, 418,909.21 and 167,596.48 is: 231,277.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,565.38 : 418,909.21 = 167,596.48 : x
  2. Step 2: Convert to fraction form
    303,565.38/418,909.21 = 167,596.48/x
  3. Step 3: Cross multiply
    303,565.38x = 418,909.21 × 167,596.48
  4. Step 4: Simplify right side
    303,565.38x = 70,207,709,035.58
  5. Step 5: Solve for x
    x = 70,207,709,035.58/303,565.38
  6. Step 6: Final answer
    x = 231,277.06

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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.