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Finding the Fourth Proportional to 800,991.11, 1,202,317.53 and 536,599.22

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Solution

The fourth proportional to 800,991.11, 1,202,317.53 and 536,599.22 is: 805,455.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,991.11 : 1,202,317.53 = 536,599.22 : x
  2. Step 2: Convert to fraction form
    800,991.11/1,202,317.53 = 536,599.22/x
  3. Step 3: Cross multiply
    800,991.11x = 1,202,317.53 × 536,599.22
  4. Step 4: Simplify right side
    800,991.11x = 645,162,640,766.49
  5. Step 5: Solve for x
    x = 645,162,640,766.49/800,991.11
  6. Step 6: Final answer
    x = 805,455.43

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1.5x scale

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.