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Finding the Fourth Proportional to 404,003.97, 557,500.44 and 222,706.53

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Solution

The fourth proportional to 404,003.97, 557,500.44 and 222,706.53 is: 307,321.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,003.97 : 557,500.44 = 222,706.53 : x
  2. Step 2: Convert to fraction form
    404,003.97/557,500.44 = 222,706.53/x
  3. Step 3: Cross multiply
    404,003.97x = 557,500.44 × 222,706.53
  4. Step 4: Simplify right side
    404,003.97x = 124,158,988,465.87
  5. Step 5: Solve for x
    x = 124,158,988,465.87/404,003.97
  6. Step 6: Final answer
    x = 307,321.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.