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Finding the Fourth Proportional to 275,329.44, 380,006.80 and 179,917.92

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Solution

The fourth proportional to 275,329.44, 380,006.80 and 179,917.92 is: 248,320.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,329.44 : 380,006.80 = 179,917.92 : x
  2. Step 2: Convert to fraction form
    275,329.44/380,006.80 = 179,917.92/x
  3. Step 3: Cross multiply
    275,329.44x = 380,006.80 × 179,917.92
  4. Step 4: Simplify right side
    275,329.44x = 68,370,033,041.86
  5. Step 5: Solve for x
    x = 68,370,033,041.86/275,329.44
  6. Step 6: Final answer
    x = 248,320.82

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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.