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Finding the Fourth Proportional to 800,662.68, 1,201,401.33 and 351,267

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Solution

The fourth proportional to 800,662.68, 1,201,401.33 and 351,267 is: 527,079.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,662.68 : 1,201,401.33 = 351,267 : x
  2. Step 2: Convert to fraction form
    800,662.68/1,201,401.33 = 351,267/x
  3. Step 3: Cross multiply
    800,662.68x = 1,201,401.33 × 351,267
  4. Step 4: Simplify right side
    800,662.68x = 422,012,640,985.11
  5. Step 5: Solve for x
    x = 422,012,640,985.11/800,662.68
  6. Step 6: Final answer
    x = 527,079.20

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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.