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Finding the Fourth Proportional to 543,697.84, 815,546.80 and 169,752.88

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Solution

The fourth proportional to 543,697.84, 815,546.80 and 169,752.88 is: 254,629.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,697.84 : 815,546.80 = 169,752.88 : x
  2. Step 2: Convert to fraction form
    543,697.84/815,546.80 = 169,752.88/x
  3. Step 3: Cross multiply
    543,697.84x = 815,546.80 × 169,752.88
  4. Step 4: Simplify right side
    543,697.84x = 138,441,418,074.78
  5. Step 5: Solve for x
    x = 138,441,418,074.78/543,697.84
  6. Step 6: Final answer
    x = 254,629.33

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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.