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Finding the Fourth Proportional to 300,789.97, 415,050.65 and 179,887.14

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Solution

The fourth proportional to 300,789.97, 415,050.65 and 179,887.14 is: 248,220.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,789.97 : 415,050.65 = 179,887.14 : x
  2. Step 2: Convert to fraction form
    300,789.97/415,050.65 = 179,887.14/x
  3. Step 3: Cross multiply
    300,789.97x = 415,050.65 × 179,887.14
  4. Step 4: Simplify right side
    300,789.97x = 74,662,274,158.78
  5. Step 5: Solve for x
    x = 74,662,274,158.78/300,789.97
  6. Step 6: Final answer
    x = 248,220.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.