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Finding the Fourth Proportional to 324,423.98, 486,810.24 and 135,014.92

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Solution

The fourth proportional to 324,423.98, 486,810.24 and 135,014.92 is: 202,594.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,423.98 : 486,810.24 = 135,014.92 : x
  2. Step 2: Convert to fraction form
    324,423.98/486,810.24 = 135,014.92/x
  3. Step 3: Cross multiply
    324,423.98x = 486,810.24 × 135,014.92
  4. Step 4: Simplify right side
    324,423.98x = 65,726,645,608.78
  5. Step 5: Solve for x
    x = 65,726,645,608.78/324,423.98
  6. Step 6: Final answer
    x = 202,594.91

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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.