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Finding the Fourth Proportional to 641,995.44, 962,997.96 and 168,679.92

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Solution

The fourth proportional to 641,995.44, 962,997.96 and 168,679.92 is: 253,021.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,995.44 : 962,997.96 = 168,679.92 : x
  2. Step 2: Convert to fraction form
    641,995.44/962,997.96 = 168,679.92/x
  3. Step 3: Cross multiply
    641,995.44x = 962,997.96 × 168,679.92
  4. Step 4: Simplify right side
    641,995.44x = 162,438,418,852.96
  5. Step 5: Solve for x
    x = 162,438,418,852.96/641,995.44
  6. Step 6: Final answer
    x = 253,021.14

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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.