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Finding the Fourth Proportional to 543,704.34, 815,556.51 and 169,759.38

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Solution

The fourth proportional to 543,704.34, 815,556.51 and 169,759.38 is: 254,639.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,704.34 : 815,556.51 = 169,759.38 : x
  2. Step 2: Convert to fraction form
    543,704.34/815,556.51 = 169,759.38/x
  3. Step 3: Cross multiply
    543,704.34x = 815,556.51 × 169,759.38
  4. Step 4: Simplify right side
    543,704.34x = 138,448,367,492.56
  5. Step 5: Solve for x
    x = 138,448,367,492.56/543,704.34
  6. Step 6: Final answer
    x = 254,639.07

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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.