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Finding the Fourth Proportional to 404,542.26, 606,655.62 and 151,684.97

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Solution

The fourth proportional to 404,542.26, 606,655.62 and 151,684.97 is: 227,468.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,542.26 : 606,655.62 = 151,684.97 : x
  2. Step 2: Convert to fraction form
    404,542.26/606,655.62 = 151,684.97/x
  3. Step 3: Cross multiply
    404,542.26x = 606,655.62 × 151,684.97
  4. Step 4: Simplify right side
    404,542.26x = 92,020,536,486.75
  5. Step 5: Solve for x
    x = 92,020,536,486.75/404,542.26
  6. Step 6: Final answer
    x = 227,468.29

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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.