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Finding the Fourth Proportional to 547,076.60, 820,532.82 and 173,051

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Solution

The fourth proportional to 547,076.60, 820,532.82 and 173,051 is: 259,550.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,076.60 : 820,532.82 = 173,051 : x
  2. Step 2: Convert to fraction form
    547,076.60/820,532.82 = 173,051/x
  3. Step 3: Cross multiply
    547,076.60x = 820,532.82 × 173,051
  4. Step 4: Simplify right side
    547,076.60x = 141,994,025,033.82
  5. Step 5: Solve for x
    x = 141,994,025,033.82/547,076.60
  6. Step 6: Final answer
    x = 259,550.54

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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.