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Finding the Fourth Proportional to 552,558.78, 828,844.20 and 153,202.86

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Solution

The fourth proportional to 552,558.78, 828,844.20 and 153,202.86 is: 229,805.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,558.78 : 828,844.20 = 153,202.86 : x
  2. Step 2: Convert to fraction form
    552,558.78/828,844.20 = 153,202.86/x
  3. Step 3: Cross multiply
    552,558.78x = 828,844.20 × 153,202.86
  4. Step 4: Simplify right side
    552,558.78x = 126,981,301,934.41
  5. Step 5: Solve for x
    x = 126,981,301,934.41/552,558.78
  6. Step 6: Final answer
    x = 229,805.96

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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.