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Finding the Fourth Proportional to 539,837.44, 810,249.76 and 273,781.44

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Solution

The fourth proportional to 539,837.44, 810,249.76 and 273,781.44 is: 410,922.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,837.44 : 810,249.76 = 273,781.44 : x
  2. Step 2: Convert to fraction form
    539,837.44/810,249.76 = 273,781.44/x
  3. Step 3: Cross multiply
    539,837.44x = 810,249.76 × 273,781.44
  4. Step 4: Simplify right side
    539,837.44x = 221,831,346,052.45
  5. Step 5: Solve for x
    x = 221,831,346,052.45/539,837.44
  6. Step 6: Final answer
    x = 410,922.49

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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.