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Finding the Fourth Proportional to 303,796.45, 455,705.61 and 114,239.44

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Solution

The fourth proportional to 303,796.45, 455,705.61 and 114,239.44 is: 171,363.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,796.45 : 455,705.61 = 114,239.44 : x
  2. Step 2: Convert to fraction form
    303,796.45/455,705.61 = 114,239.44/x
  3. Step 3: Cross multiply
    303,796.45x = 455,705.61 × 114,239.44
  4. Step 4: Simplify right side
    303,796.45x = 52,059,553,691.26
  5. Step 5: Solve for x
    x = 52,059,553,691.26/303,796.45
  6. Step 6: Final answer
    x = 171,363.27

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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.