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Finding the Fourth Proportional to 338,716.79, 508,076.07 and 114,234.92

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Solution

The fourth proportional to 338,716.79, 508,076.07 and 114,234.92 is: 171,352.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,716.79 : 508,076.07 = 114,234.92 : x
  2. Step 2: Convert to fraction form
    338,716.79/508,076.07 = 114,234.92/x
  3. Step 3: Cross multiply
    338,716.79x = 508,076.07 × 114,234.92
  4. Step 4: Simplify right side
    338,716.79x = 58,040,026,669.98
  5. Step 5: Solve for x
    x = 58,040,026,669.98/338,716.79
  6. Step 6: Final answer
    x = 171,352.67

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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.