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Finding the Fourth Proportional to 437,191.77, 655,810.94 and 137,695.75

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Solution

The fourth proportional to 437,191.77, 655,810.94 and 137,695.75 is: 206,550.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,191.77 : 655,810.94 = 137,695.75 : x
  2. Step 2: Convert to fraction form
    437,191.77/655,810.94 = 137,695.75/x
  3. Step 3: Cross multiply
    437,191.77x = 655,810.94 × 137,695.75
  4. Step 4: Simplify right side
    437,191.77x = 90,302,379,241.51
  5. Step 5: Solve for x
    x = 90,302,379,241.51/437,191.77
  6. Step 6: Final answer
    x = 206,550.96

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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.