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Finding the Fourth Proportional to 325,216.44, 448,689.69 and 189,221.27

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Solution

The fourth proportional to 325,216.44, 448,689.69 and 189,221.27 is: 261,061.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,216.44 : 448,689.69 = 189,221.27 : x
  2. Step 2: Convert to fraction form
    325,216.44/448,689.69 = 189,221.27/x
  3. Step 3: Cross multiply
    325,216.44x = 448,689.69 × 189,221.27
  4. Step 4: Simplify right side
    325,216.44x = 84,901,630,734.26
  5. Step 5: Solve for x
    x = 84,901,630,734.26/325,216.44
  6. Step 6: Final answer
    x = 261,061.93

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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.