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Finding the Fourth Proportional to 401,311.44, 602,067.60 and 283,213.44

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Solution

The fourth proportional to 401,311.44, 602,067.60 and 283,213.44 is: 424,891.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,311.44 : 602,067.60 = 283,213.44 : x
  2. Step 2: Convert to fraction form
    401,311.44/602,067.60 = 283,213.44/x
  3. Step 3: Cross multiply
    401,311.44x = 602,067.60 × 283,213.44
  4. Step 4: Simplify right side
    401,311.44x = 170,513,636,108.54
  5. Step 5: Solve for x
    x = 170,513,636,108.54/401,311.44
  6. Step 6: Final answer
    x = 424,891.04

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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.