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Finding the Fourth Proportional to 240,561, 331,591.73 and 189,492.87

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Solution

The fourth proportional to 240,561, 331,591.73 and 189,492.87 is: 261,198.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,561 : 331,591.73 = 189,492.87 : x
  2. Step 2: Convert to fraction form
    240,561/331,591.73 = 189,492.87/x
  3. Step 3: Cross multiply
    240,561x = 331,591.73 × 189,492.87
  4. Step 4: Simplify right side
    240,561x = 62,834,267,638.50
  5. Step 5: Solve for x
    x = 62,834,267,638.50/240,561
  6. Step 6: Final answer
    x = 261,198.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.