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Finding the Fourth Proportional to 220,408.32, 330,410.88 and 95,704.32

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Solution

The fourth proportional to 220,408.32, 330,410.88 and 95,704.32 is: 143,468.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,408.32 : 330,410.88 = 95,704.32 : x
  2. Step 2: Convert to fraction form
    220,408.32/330,410.88 = 95,704.32/x
  3. Step 3: Cross multiply
    220,408.32x = 330,410.88 × 95,704.32
  4. Step 4: Simplify right side
    220,408.32x = 31,621,748,591.00
  5. Step 5: Solve for x
    x = 31,621,748,591.00/220,408.32
  6. Step 6: Final answer
    x = 143,468.94

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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.