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Finding the Fourth Proportional to 303,493.82, 418,821.55 and 167,527.85

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Solution

The fourth proportional to 303,493.82, 418,821.55 and 167,527.85 is: 231,188.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,493.82 : 418,821.55 = 167,527.85 : x
  2. Step 2: Convert to fraction form
    303,493.82/418,821.55 = 167,527.85/x
  3. Step 3: Cross multiply
    303,493.82x = 418,821.55 × 167,527.85
  4. Step 4: Simplify right side
    303,493.82x = 70,164,275,271.04
  5. Step 5: Solve for x
    x = 70,164,275,271.04/303,493.82
  6. Step 6: Final answer
    x = 231,188.48

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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.