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Finding the Fourth Proportional to 455,326.52, 683,022.78 and 174,843.77

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Solution

The fourth proportional to 455,326.52, 683,022.78 and 174,843.77 is: 262,278.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,326.52 : 683,022.78 = 174,843.77 : x
  2. Step 2: Convert to fraction form
    455,326.52/683,022.78 = 174,843.77/x
  3. Step 3: Cross multiply
    455,326.52x = 683,022.78 × 174,843.77
  4. Step 4: Simplify right side
    455,326.52x = 119,422,274,435.97
  5. Step 5: Solve for x
    x = 119,422,274,435.97/455,326.52
  6. Step 6: Final answer
    x = 262,278.32

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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.