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Finding the Fourth Proportional to 552,215.89, 828,324.97 and 152,857.84

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Solution

The fourth proportional to 552,215.89, 828,324.97 and 152,857.84 is: 229,287.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,215.89 : 828,324.97 = 152,857.84 : x
  2. Step 2: Convert to fraction form
    552,215.89/828,324.97 = 152,857.84/x
  3. Step 3: Cross multiply
    552,215.89x = 828,324.97 × 152,857.84
  4. Step 4: Simplify right side
    552,215.89x = 126,615,965,732.27
  5. Step 5: Solve for x
    x = 126,615,965,732.27/552,215.89
  6. Step 6: Final answer
    x = 229,287.08

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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.