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Finding the Fourth Proportional to 303,663.72, 419,059.28 and 167,697.44

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Solution

The fourth proportional to 303,663.72, 419,059.28 and 167,697.44 is: 231,424.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,663.72 : 419,059.28 = 167,697.44 : x
  2. Step 2: Convert to fraction form
    303,663.72/419,059.28 = 167,697.44/x
  3. Step 3: Cross multiply
    303,663.72x = 419,059.28 × 167,697.44
  4. Step 4: Simplify right side
    303,663.72x = 70,275,168,464.24
  5. Step 5: Solve for x
    x = 70,275,168,464.24/303,663.72
  6. Step 6: Final answer
    x = 231,424.32

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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.