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Finding the Fourth Proportional to 533,561.52, 800,283.32 and 134,202.45

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Solution

The fourth proportional to 533,561.52, 800,283.32 and 134,202.45 is: 201,288.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,561.52 : 800,283.32 = 134,202.45 : x
  2. Step 2: Convert to fraction form
    533,561.52/800,283.32 = 134,202.45/x
  3. Step 3: Cross multiply
    533,561.52x = 800,283.32 × 134,202.45
  4. Step 4: Simplify right side
    533,561.52x = 107,399,985,071.44
  5. Step 5: Solve for x
    x = 107,399,985,071.44/533,561.52
  6. Step 6: Final answer
    x = 201,288.85

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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.