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Finding the Fourth Proportional to 245,687.41, 339,233.39 and 241,763.86

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Solution

The fourth proportional to 245,687.41, 339,233.39 and 241,763.86 is: 333,815.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,687.41 : 339,233.39 = 241,763.86 : x
  2. Step 2: Convert to fraction form
    245,687.41/339,233.39 = 241,763.86/x
  3. Step 3: Cross multiply
    245,687.41x = 339,233.39 × 241,763.86
  4. Step 4: Simplify right side
    245,687.41x = 82,014,373,807.29
  5. Step 5: Solve for x
    x = 82,014,373,807.29/245,687.41
  6. Step 6: Final answer
    x = 333,815.94

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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.