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Finding the Fourth Proportional to 547,322.60, 820,901.82 and 173,297

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Solution

The fourth proportional to 547,322.60, 820,901.82 and 173,297 is: 259,919.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,322.60 : 820,901.82 = 173,297 : x
  2. Step 2: Convert to fraction form
    547,322.60/820,901.82 = 173,297/x
  3. Step 3: Cross multiply
    547,322.60x = 820,901.82 × 173,297
  4. Step 4: Simplify right side
    547,322.60x = 142,259,822,700.54
  5. Step 5: Solve for x
    x = 142,259,822,700.54/547,322.60
  6. Step 6: Final answer
    x = 259,919.51

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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.