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Finding the Fourth Proportional to 324,026.10, 486,039.15 and 164,593.80

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Solution

The fourth proportional to 324,026.10, 486,039.15 and 164,593.80 is: 246,890.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,026.10 : 486,039.15 = 164,593.80 : x
  2. Step 2: Convert to fraction form
    324,026.10/486,039.15 = 164,593.80/x
  3. Step 3: Cross multiply
    324,026.10x = 486,039.15 × 164,593.80
  4. Step 4: Simplify right side
    324,026.10x = 79,999,030,647.27
  5. Step 5: Solve for x
    x = 79,999,030,647.27/324,026.10
  6. Step 6: Final answer
    x = 246,890.70

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Similar ratio
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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.