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Finding the Fourth Proportional to 468,986.05, 703,479.34 and 329,367.97

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Solution

The fourth proportional to 468,986.05, 703,479.34 and 329,367.97 is: 494,052.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,986.05 : 703,479.34 = 329,367.97 : x
  2. Step 2: Convert to fraction form
    468,986.05/703,479.34 = 329,367.97/x
  3. Step 3: Cross multiply
    468,986.05x = 703,479.34 × 329,367.97
  4. Step 4: Simplify right side
    468,986.05x = 231,703,562,152.74
  5. Step 5: Solve for x
    x = 231,703,562,152.74/468,986.05
  6. Step 6: Final answer
    x = 494,052.14

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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.