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Finding the Fourth Proportional to 317,190.67, 437,719.04 and 181,223.56

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Solution

The fourth proportional to 317,190.67, 437,719.04 and 181,223.56 is: 250,086.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,190.67 : 437,719.04 = 181,223.56 : x
  2. Step 2: Convert to fraction form
    317,190.67/437,719.04 = 181,223.56/x
  3. Step 3: Cross multiply
    317,190.67x = 437,719.04 × 181,223.56
  4. Step 4: Simplify right side
    317,190.67x = 79,325,003,029.20
  5. Step 5: Solve for x
    x = 79,325,003,029.20/317,190.67
  6. Step 6: Final answer
    x = 250,086.18

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Why These Related Problems?

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