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Finding the Fourth Proportional to 437,229.80, 655,844.70 and 170,803.49

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Solution

The fourth proportional to 437,229.80, 655,844.70 and 170,803.49 is: 256,205.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,229.80 : 655,844.70 = 170,803.49 : x
  2. Step 2: Convert to fraction form
    437,229.80/655,844.70 = 170,803.49/x
  3. Step 3: Cross multiply
    437,229.80x = 655,844.70 × 170,803.49
  4. Step 4: Simplify right side
    437,229.80x = 112,020,560,058.52
  5. Step 5: Solve for x
    x = 112,020,560,058.52/437,229.80
  6. Step 6: Final answer
    x = 256,205.23

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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.