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Finding the Fourth Proportional to 468,322.69, 702,404.92 and 131,286.01

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Solution

The fourth proportional to 468,322.69, 702,404.92 and 131,286.01 is: 196,906.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,322.69 : 702,404.92 = 131,286.01 : x
  2. Step 2: Convert to fraction form
    468,322.69/702,404.92 = 131,286.01/x
  3. Step 3: Cross multiply
    468,322.69x = 702,404.92 × 131,286.01
  4. Step 4: Simplify right side
    468,322.69x = 92,215,939,351.17
  5. Step 5: Solve for x
    x = 92,215,939,351.17/468,322.69
  6. Step 6: Final answer
    x = 196,906.84

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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.