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Finding the Fourth Proportional to 437,226.52, 655,777.49 and 137,699.31

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Solution

The fourth proportional to 437,226.52, 655,777.49 and 137,699.31 is: 206,529.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,226.52 : 655,777.49 = 137,699.31 : x
  2. Step 2: Convert to fraction form
    437,226.52/655,777.49 = 137,699.31/x
  3. Step 3: Cross multiply
    437,226.52x = 655,777.49 × 137,699.31
  4. Step 4: Simplify right side
    437,226.52x = 90,300,103,919.15
  5. Step 5: Solve for x
    x = 90,300,103,919.15/437,226.52
  6. Step 6: Final answer
    x = 206,529.34

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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.