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Finding the Fourth Proportional to 368,213.94, 552,327.78 and 115,488.84

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Solution

The fourth proportional to 368,213.94, 552,327.78 and 115,488.84 is: 173,235.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,213.94 : 552,327.78 = 115,488.84 : x
  2. Step 2: Convert to fraction form
    368,213.94/552,327.78 = 115,488.84/x
  3. Step 3: Cross multiply
    368,213.94x = 552,327.78 × 115,488.84
  4. Step 4: Simplify right side
    368,213.94x = 63,787,694,611.98
  5. Step 5: Solve for x
    x = 63,787,694,611.98/368,213.94
  6. Step 6: Final answer
    x = 173,235.41

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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.