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Finding the Fourth Proportional to 404,383.17, 606,552.89 and 123,901.23

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Solution

The fourth proportional to 404,383.17, 606,552.89 and 123,901.23 is: 185,845.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,383.17 : 606,552.89 = 123,901.23 : x
  2. Step 2: Convert to fraction form
    404,383.17/606,552.89 = 123,901.23/x
  3. Step 3: Cross multiply
    404,383.17x = 606,552.89 × 123,901.23
  4. Step 4: Simplify right side
    404,383.17x = 75,152,648,511.55
  5. Step 5: Solve for x
    x = 75,152,648,511.55/404,383.17
  6. Step 6: Final answer
    x = 185,845.14

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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.