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Finding the Fourth Proportional to 262,352.72, 393,611.78 and 199,473.73

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Solution

The fourth proportional to 262,352.72, 393,611.78 and 199,473.73 is: 299,273.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,352.72 : 393,611.78 = 199,473.73 : x
  2. Step 2: Convert to fraction form
    262,352.72/393,611.78 = 199,473.73/x
  3. Step 3: Cross multiply
    262,352.72x = 393,611.78 × 199,473.73
  4. Step 4: Simplify right side
    262,352.72x = 78,515,209,443.19
  5. Step 5: Solve for x
    x = 78,515,209,443.19/262,352.72
  6. Step 6: Final answer
    x = 299,273.47

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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.