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Finding the Fourth Proportional to 486,167.27, 670,723.54 and 304,562.84

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Solution

The fourth proportional to 486,167.27, 670,723.54 and 304,562.84 is: 420,179.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,167.27 : 670,723.54 = 304,562.84 : x
  2. Step 2: Convert to fraction form
    486,167.27/670,723.54 = 304,562.84/x
  3. Step 3: Cross multiply
    486,167.27x = 670,723.54 × 304,562.84
  4. Step 4: Simplify right side
    486,167.27x = 204,277,462,082.23
  5. Step 5: Solve for x
    x = 204,277,462,082.23/486,167.27
  6. Step 6: Final answer
    x = 420,179.38

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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.