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Finding the Fourth Proportional to 324,314.57, 486,471.82 and 164,365.59

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Solution

The fourth proportional to 324,314.57, 486,471.82 and 164,365.59 is: 246,548.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,314.57 : 486,471.82 = 164,365.59 : x
  2. Step 2: Convert to fraction form
    324,314.57/486,471.82 = 164,365.59/x
  3. Step 3: Cross multiply
    324,314.57x = 486,471.82 × 164,365.59
  4. Step 4: Simplify right side
    324,314.57x = 79,959,227,712.67
  5. Step 5: Solve for x
    x = 79,959,227,712.67/324,314.57
  6. Step 6: Final answer
    x = 246,548.37

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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.