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Finding the Fourth Proportional to 314,693.70, 472,041 and 240,236.60

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Solution

The fourth proportional to 314,693.70, 472,041 and 240,236.60 is: 360,355.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,693.70 : 472,041 = 240,236.60 : x
  2. Step 2: Convert to fraction form
    314,693.70/472,041 = 240,236.60/x
  3. Step 3: Cross multiply
    314,693.70x = 472,041 × 240,236.60
  4. Step 4: Simplify right side
    314,693.70x = 113,401,522,540.40
  5. Step 5: Solve for x
    x = 113,401,522,540.40/314,693.70
  6. Step 6: Final answer
    x = 360,355.24

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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.