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Finding the Fourth Proportional to 270,908.85, 373,850.10 and 148,400.25

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Solution

The fourth proportional to 270,908.85, 373,850.10 and 148,400.25 is: 204,790.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,908.85 : 373,850.10 = 148,400.25 : x
  2. Step 2: Convert to fraction form
    270,908.85/373,850.10 = 148,400.25/x
  3. Step 3: Cross multiply
    270,908.85x = 373,850.10 × 148,400.25
  4. Step 4: Simplify right side
    270,908.85x = 55,479,446,625.90
  5. Step 5: Solve for x
    x = 55,479,446,625.90/270,908.85
  6. Step 6: Final answer
    x = 204,790.09

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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.