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Finding the Fourth Proportional to 273,387.87, 410,459.54 and 188,939.97

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Solution

The fourth proportional to 273,387.87, 410,459.54 and 188,939.97 is: 283,671.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,387.87 : 410,459.54 = 188,939.97 : x
  2. Step 2: Convert to fraction form
    273,387.87/410,459.54 = 188,939.97/x
  3. Step 3: Cross multiply
    273,387.87x = 410,459.54 × 188,939.97
  4. Step 4: Simplify right side
    273,387.87x = 77,552,212,229.11
  5. Step 5: Solve for x
    x = 77,552,212,229.11/273,387.87
  6. Step 6: Final answer
    x = 283,671.01

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1.5x scale

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.