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Finding the Fourth Proportional to 293,692.80, 440,247.60 and 135,645.60

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Solution

The fourth proportional to 293,692.80, 440,247.60 and 135,645.60 is: 203,333.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,692.80 : 440,247.60 = 135,645.60 : x
  2. Step 2: Convert to fraction form
    293,692.80/440,247.60 = 135,645.60/x
  3. Step 3: Cross multiply
    293,692.80x = 440,247.60 × 135,645.60
  4. Step 4: Simplify right side
    293,692.80x = 59,717,649,850.56
  5. Step 5: Solve for x
    x = 59,717,649,850.56/293,692.80
  6. Step 6: Final answer
    x = 203,333.72

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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.