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Finding the Fourth Proportional to 486,565.44, 729,887.22 and 171,093.12

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Solution

The fourth proportional to 486,565.44, 729,887.22 and 171,093.12 is: 256,653.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,565.44 : 729,887.22 = 171,093.12 : x
  2. Step 2: Convert to fraction form
    486,565.44/729,887.22 = 171,093.12/x
  3. Step 3: Cross multiply
    486,565.44x = 729,887.22 × 171,093.12
  4. Step 4: Simplify right side
    486,565.44x = 124,878,681,717.93
  5. Step 5: Solve for x
    x = 124,878,681,717.93/486,565.44
  6. Step 6: Final answer
    x = 256,653.41

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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.