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Finding the Fourth Proportional to 356,137.81, 491,466.94 and 192,793.52

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Solution

The fourth proportional to 356,137.81, 491,466.94 and 192,793.52 is: 266,053.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,137.81 : 491,466.94 = 192,793.52 : x
  2. Step 2: Convert to fraction form
    356,137.81/491,466.94 = 192,793.52/x
  3. Step 3: Cross multiply
    356,137.81x = 491,466.94 × 192,793.52
  4. Step 4: Simplify right side
    356,137.81x = 94,751,640,392.87
  5. Step 5: Solve for x
    x = 94,751,640,392.87/356,137.81
  6. Step 6: Final answer
    x = 266,053.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.