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Finding the Fourth Proportional to 591,896.16, 888,067.80 and 355,403.16

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Solution

The fourth proportional to 591,896.16, 888,067.80 and 355,403.16 is: 533,238.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,896.16 : 888,067.80 = 355,403.16 : x
  2. Step 2: Convert to fraction form
    591,896.16/888,067.80 = 355,403.16/x
  3. Step 3: Cross multiply
    591,896.16x = 888,067.80 × 355,403.16
  4. Step 4: Simplify right side
    591,896.16x = 315,622,102,414.25
  5. Step 5: Solve for x
    x = 315,622,102,414.25/591,896.16
  6. Step 6: Final answer
    x = 533,238.98

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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.