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Finding the Fourth Proportional to 403,700.59, 557,104.21 and 222,408.33

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Solution

The fourth proportional to 403,700.59, 557,104.21 and 222,408.33 is: 306,922.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,700.59 : 557,104.21 = 222,408.33 : x
  2. Step 2: Convert to fraction form
    403,700.59/557,104.21 = 222,408.33/x
  3. Step 3: Cross multiply
    403,700.59x = 557,104.21 × 222,408.33
  4. Step 4: Simplify right side
    403,700.59x = 123,904,616,982.07
  5. Step 5: Solve for x
    x = 123,904,616,982.07/403,700.59
  6. Step 6: Final answer
    x = 306,922.06

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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.