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Finding the Fourth Proportional to 324,760.05, 487,443.83 and 164,950.29

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Solution

The fourth proportional to 324,760.05, 487,443.83 and 164,950.29 is: 247,579.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,760.05 : 487,443.83 = 164,950.29 : x
  2. Step 2: Convert to fraction form
    324,760.05/487,443.83 = 164,950.29/x
  3. Step 3: Cross multiply
    324,760.05x = 487,443.83 × 164,950.29
  4. Step 4: Simplify right side
    324,760.05x = 80,404,000,292.46
  5. Step 5: Solve for x
    x = 80,404,000,292.46/324,760.05
  6. Step 6: Final answer
    x = 247,579.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.