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Finding the Fourth Proportional to 503,604.93, 755,131.32 and 199,691.31

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Solution

The fourth proportional to 503,604.93, 755,131.32 and 199,691.31 is: 299,427.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,604.93 : 755,131.32 = 199,691.31 : x
  2. Step 2: Convert to fraction form
    503,604.93/755,131.32 = 199,691.31/x
  3. Step 3: Cross multiply
    503,604.93x = 755,131.32 × 199,691.31
  4. Step 4: Simplify right side
    503,604.93x = 150,793,162,512.83
  5. Step 5: Solve for x
    x = 150,793,162,512.83/503,604.93
  6. Step 6: Final answer
    x = 299,427.49

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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.