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Finding the Fourth Proportional to 552,227.28, 828,342.30 and 167,979.48

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Solution

The fourth proportional to 552,227.28, 828,342.30 and 167,979.48 is: 251,969.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,227.28 : 828,342.30 = 167,979.48 : x
  2. Step 2: Convert to fraction form
    552,227.28/828,342.30 = 167,979.48/x
  3. Step 3: Cross multiply
    552,227.28x = 828,342.30 × 167,979.48
  4. Step 4: Simplify right side
    552,227.28x = 139,144,508,816.00
  5. Step 5: Solve for x
    x = 139,144,508,816.00/552,227.28
  6. Step 6: Final answer
    x = 251,969.64

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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.