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Finding the Fourth Proportional to 303,663.96, 455,772.29 and 161,628.44

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Solution

The fourth proportional to 303,663.96, 455,772.29 and 161,628.44 is: 242,589.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,663.96 : 455,772.29 = 161,628.44 : x
  2. Step 2: Convert to fraction form
    303,663.96/455,772.29 = 161,628.44/x
  3. Step 3: Cross multiply
    303,663.96x = 455,772.29 × 161,628.44
  4. Step 4: Simplify right side
    303,663.96x = 73,665,761,140.92
  5. Step 5: Solve for x
    x = 73,665,761,140.92/303,663.96
  6. Step 6: Final answer
    x = 242,589.74

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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.