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Finding the Fourth Proportional to 270,550.33, 373,103.89 and 201,791.45

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Solution

The fourth proportional to 270,550.33, 373,103.89 and 201,791.45 is: 278,281.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,550.33 : 373,103.89 = 201,791.45 : x
  2. Step 2: Convert to fraction form
    270,550.33/373,103.89 = 201,791.45/x
  3. Step 3: Cross multiply
    270,550.33x = 373,103.89 × 201,791.45
  4. Step 4: Simplify right side
    270,550.33x = 75,289,175,392.02
  5. Step 5: Solve for x
    x = 75,289,175,392.02/270,550.33
  6. Step 6: Final answer
    x = 278,281.59

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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.