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Finding the Fourth Proportional to 374,249.78, 516,458.67 and 204,480.26

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Solution

The fourth proportional to 374,249.78, 516,458.67 and 204,480.26 is: 282,179.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,249.78 : 516,458.67 = 204,480.26 : x
  2. Step 2: Convert to fraction form
    374,249.78/516,458.67 = 204,480.26/x
  3. Step 3: Cross multiply
    374,249.78x = 516,458.67 × 204,480.26
  4. Step 4: Simplify right side
    374,249.78x = 105,605,603,120.85
  5. Step 5: Solve for x
    x = 105,605,603,120.85/374,249.78
  6. Step 6: Final answer
    x = 282,179.47

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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.