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Finding the Fourth Proportional to 404,892.80, 607,776.60 and 227,745.80

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Solution

The fourth proportional to 404,892.80, 607,776.60 and 227,745.80 is: 341,864.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,892.80 : 607,776.60 = 227,745.80 : x
  2. Step 2: Convert to fraction form
    404,892.80/607,776.60 = 227,745.80/x
  3. Step 3: Cross multiply
    404,892.80x = 607,776.60 × 227,745.80
  4. Step 4: Simplify right side
    404,892.80x = 138,418,567,988.28
  5. Step 5: Solve for x
    x = 138,418,567,988.28/404,892.80
  6. Step 6: Final answer
    x = 341,864.73

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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.