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Finding the Fourth Proportional to 402,202.43, 555,077.90 and 230,086.22

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Solution

The fourth proportional to 402,202.43, 555,077.90 and 230,086.22 is: 317,541.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,202.43 : 555,077.90 = 230,086.22 : x
  2. Step 2: Convert to fraction form
    402,202.43/555,077.90 = 230,086.22/x
  3. Step 3: Cross multiply
    402,202.43x = 555,077.90 × 230,086.22
  4. Step 4: Simplify right side
    402,202.43x = 127,715,772,753.54
  5. Step 5: Solve for x
    x = 127,715,772,753.54/402,202.43
  6. Step 6: Final answer
    x = 317,541.03

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.