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Finding the Fourth Proportional to 296,046.60, 443,559.60 and 137,950.80

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Solution

The fourth proportional to 296,046.60, 443,559.60 and 137,950.80 is: 206,688.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,046.60 : 443,559.60 = 137,950.80 : x
  2. Step 2: Convert to fraction form
    296,046.60/443,559.60 = 137,950.80/x
  3. Step 3: Cross multiply
    296,046.60x = 443,559.60 × 137,950.80
  4. Step 4: Simplify right side
    296,046.60x = 61,189,401,667.68
  5. Step 5: Solve for x
    x = 61,189,401,667.68/296,046.60
  6. Step 6: Final answer
    x = 206,688.41

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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.