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Finding the Fourth Proportional to 324,953.38, 486,108.15 and 274,720.42

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Solution

The fourth proportional to 324,953.38, 486,108.15 and 274,720.42 is: 410,963.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,953.38 : 486,108.15 = 274,720.42 : x
  2. Step 2: Convert to fraction form
    324,953.38/486,108.15 = 274,720.42/x
  3. Step 3: Cross multiply
    324,953.38x = 486,108.15 × 274,720.42
  4. Step 4: Simplify right side
    324,953.38x = 133,543,835,133.42
  5. Step 5: Solve for x
    x = 133,543,835,133.42/324,953.38
  6. Step 6: Final answer
    x = 410,963.06

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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.