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Finding the Fourth Proportional to 573,196.80, 859,795.20 and 179,212.80

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Solution

The fourth proportional to 573,196.80, 859,795.20 and 179,212.80 is: 268,819.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,196.80 : 859,795.20 = 179,212.80 : x
  2. Step 2: Convert to fraction form
    573,196.80/859,795.20 = 179,212.80/x
  3. Step 3: Cross multiply
    573,196.80x = 859,795.20 × 179,212.80
  4. Step 4: Simplify right side
    573,196.80x = 154,086,305,218.56
  5. Step 5: Solve for x
    x = 154,086,305,218.56/573,196.80
  6. Step 6: Final answer
    x = 268,819.20

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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.