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Finding the Fourth Proportional to 533,616.42, 800,365.44 and 134,257.26

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Solution

The fourth proportional to 533,616.42, 800,365.44 and 134,257.26 is: 201,371.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,616.42 : 800,365.44 = 134,257.26 : x
  2. Step 2: Convert to fraction form
    533,616.42/800,365.44 = 134,257.26/x
  3. Step 3: Cross multiply
    533,616.42x = 800,365.44 × 134,257.26
  4. Step 4: Simplify right side
    533,616.42x = 107,454,870,973.09
  5. Step 5: Solve for x
    x = 107,454,870,973.09/533,616.42
  6. Step 6: Final answer
    x = 201,371.00

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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.