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Finding the Fourth Proportional to 404,845.92, 607,269.60 and 124,361.28

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Solution

The fourth proportional to 404,845.92, 607,269.60 and 124,361.28 is: 186,542.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,845.92 : 607,269.60 = 124,361.28 : x
  2. Step 2: Convert to fraction form
    404,845.92/607,269.60 = 124,361.28/x
  3. Step 3: Cross multiply
    404,845.92x = 607,269.60 × 124,361.28
  4. Step 4: Simplify right side
    404,845.92x = 75,520,824,761.09
  5. Step 5: Solve for x
    x = 75,520,824,761.09/404,845.92
  6. Step 6: Final answer
    x = 186,542.14

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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.