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Finding the Fourth Proportional to 552,747.54, 828,435.96 and 392,568.06

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Solution

The fourth proportional to 552,747.54, 828,435.96 and 392,568.06 is: 588,365.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,747.54 : 828,435.96 = 392,568.06 : x
  2. Step 2: Convert to fraction form
    552,747.54/828,435.96 = 392,568.06/x
  3. Step 3: Cross multiply
    552,747.54x = 828,435.96 × 392,568.06
  4. Step 4: Simplify right side
    552,747.54x = 325,217,497,651.44
  5. Step 5: Solve for x
    x = 325,217,497,651.44/552,747.54
  6. Step 6: Final answer
    x = 588,365.35

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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.