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Finding the Fourth Proportional to 397,605.60, 595,236.60 and 262,420.29

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Solution

The fourth proportional to 397,605.60, 595,236.60 and 262,420.29 is: 392,857.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,605.60 : 595,236.60 = 262,420.29 : x
  2. Step 2: Convert to fraction form
    397,605.60/595,236.60 = 262,420.29/x
  3. Step 3: Cross multiply
    397,605.60x = 595,236.60 × 262,420.29
  4. Step 4: Simplify right side
    397,605.60x = 156,202,161,190.61
  5. Step 5: Solve for x
    x = 156,202,161,190.61/397,605.60
  6. Step 6: Final answer
    x = 392,857.05

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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.