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Finding the Fourth Proportional to 445,761.96, 668,173.38 and 146,164.44

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Solution

The fourth proportional to 445,761.96, 668,173.38 and 146,164.44 is: 219,092.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,761.96 : 668,173.38 = 146,164.44 : x
  2. Step 2: Convert to fraction form
    445,761.96/668,173.38 = 146,164.44/x
  3. Step 3: Cross multiply
    445,761.96x = 668,173.38 × 146,164.44
  4. Step 4: Simplify right side
    445,761.96x = 97,663,187,910.61
  5. Step 5: Solve for x
    x = 97,663,187,910.61/445,761.96
  6. Step 6: Final answer
    x = 219,092.69

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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.