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Finding the Fourth Proportional to 253,760.93, 380,658.91 and 73,847.84

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Solution

The fourth proportional to 253,760.93, 380,658.91 and 73,847.84 is: 110,776.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,760.93 : 380,658.91 = 73,847.84 : x
  2. Step 2: Convert to fraction form
    253,760.93/380,658.91 = 73,847.84/x
  3. Step 3: Cross multiply
    253,760.93x = 380,658.91 × 73,847.84
  4. Step 4: Simplify right side
    253,760.93x = 28,110,839,548.64
  5. Step 5: Solve for x
    x = 28,110,839,548.64/253,760.93
  6. Step 6: Final answer
    x = 110,776.86

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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.