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Finding the Fourth Proportional to 438,243.44, 657,233.40 and 227,766.32

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Solution

The fourth proportional to 438,243.44, 657,233.40 and 227,766.32 is: 341,581.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,243.44 : 657,233.40 = 227,766.32 : x
  2. Step 2: Convert to fraction form
    438,243.44/657,233.40 = 227,766.32/x
  3. Step 3: Cross multiply
    438,243.44x = 657,233.40 × 227,766.32
  4. Step 4: Simplify right side
    438,243.44x = 149,695,632,899.09
  5. Step 5: Solve for x
    x = 149,695,632,899.09/438,243.44
  6. Step 6: Final answer
    x = 341,581.00

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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.