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Finding the Fourth Proportional to 210,310.44, 289,720.44 and 179,998.80

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Solution

The fourth proportional to 210,310.44, 289,720.44 and 179,998.80 is: 247,963.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,310.44 : 289,720.44 = 179,998.80 : x
  2. Step 2: Convert to fraction form
    210,310.44/289,720.44 = 179,998.80/x
  3. Step 3: Cross multiply
    210,310.44x = 289,720.44 × 179,998.80
  4. Step 4: Simplify right side
    210,310.44x = 52,149,331,535.47
  5. Step 5: Solve for x
    x = 52,149,331,535.47/210,310.44
  6. Step 6: Final answer
    x = 247,963.59

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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.