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Finding the Fourth Proportional to 446,221.56, 669,598.28 and 161,934.32

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Solution

The fourth proportional to 446,221.56, 669,598.28 and 161,934.32 is: 242,997.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,221.56 : 669,598.28 = 161,934.32 : x
  2. Step 2: Convert to fraction form
    446,221.56/669,598.28 = 161,934.32/x
  3. Step 3: Cross multiply
    446,221.56x = 669,598.28 × 161,934.32
  4. Step 4: Simplify right side
    446,221.56x = 108,430,942,144.97
  5. Step 5: Solve for x
    x = 108,430,942,144.97/446,221.56
  6. Step 6: Final answer
    x = 242,997.99

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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.