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Finding the Fourth Proportional to 353,469.52, 532,126.87 and 322,081.84

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Solution

The fourth proportional to 353,469.52, 532,126.87 and 322,081.84 is: 484,874.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,469.52 : 532,126.87 = 322,081.84 : x
  2. Step 2: Convert to fraction form
    353,469.52/532,126.87 = 322,081.84/x
  3. Step 3: Cross multiply
    353,469.52x = 532,126.87 × 322,081.84
  4. Step 4: Simplify right side
    353,469.52x = 171,388,401,403.04
  5. Step 5: Solve for x
    x = 171,388,401,403.04/353,469.52
  6. Step 6: Final answer
    x = 484,874.63

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.