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Finding the Fourth Proportional to 296,663.46, 444,997.97 and 72,025.86

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Solution

The fourth proportional to 296,663.46, 444,997.97 and 72,025.86 is: 108,039.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,663.46 : 444,997.97 = 72,025.86 : x
  2. Step 2: Convert to fraction form
    296,663.46/444,997.97 = 72,025.86/x
  3. Step 3: Cross multiply
    296,663.46x = 444,997.97 × 72,025.86
  4. Step 4: Simplify right side
    296,663.46x = 32,051,361,487.50
  5. Step 5: Solve for x
    x = 32,051,361,487.50/296,663.46
  6. Step 6: Final answer
    x = 108,039.46

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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.