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Finding the Fourth Proportional to 404,241.28, 557,878.44 and 232,213.06

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Solution

The fourth proportional to 404,241.28, 557,878.44 and 232,213.06 is: 320,468.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,241.28 : 557,878.44 = 232,213.06 : x
  2. Step 2: Convert to fraction form
    404,241.28/557,878.44 = 232,213.06/x
  3. Step 3: Cross multiply
    404,241.28x = 557,878.44 × 232,213.06
  4. Step 4: Simplify right side
    404,241.28x = 129,546,659,660.43
  5. Step 5: Solve for x
    x = 129,546,659,660.43/404,241.28
  6. Step 6: Final answer
    x = 320,468.66

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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.