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Finding the Fourth Proportional to 303,844.50, 419,313.88 and 167,887.20

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Solution

The fourth proportional to 303,844.50, 419,313.88 and 167,887.20 is: 231,689.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,844.50 : 419,313.88 = 167,887.20 : x
  2. Step 2: Convert to fraction form
    303,844.50/419,313.88 = 167,887.20/x
  3. Step 3: Cross multiply
    303,844.50x = 419,313.88 × 167,887.20
  4. Step 4: Simplify right side
    303,844.50x = 70,397,433,234.34
  5. Step 5: Solve for x
    x = 70,397,433,234.34/303,844.50
  6. Step 6: Final answer
    x = 231,689.02

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1.5x scale

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.