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Finding the Fourth Proportional to 532,826.78, 798,551.26 and 398,654.33

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Solution

The fourth proportional to 532,826.78, 798,551.26 and 398,654.33 is: 597,466.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,826.78 : 798,551.26 = 398,654.33 : x
  2. Step 2: Convert to fraction form
    532,826.78/798,551.26 = 398,654.33/x
  3. Step 3: Cross multiply
    532,826.78x = 798,551.26 × 398,654.33
  4. Step 4: Simplify right side
    532,826.78x = 318,345,917,525.96
  5. Step 5: Solve for x
    x = 318,345,917,525.96/532,826.78
  6. Step 6: Final answer
    x = 597,466.06

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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.