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Finding the Fourth Proportional to 552,092.20, 828,138.30 and 363,135.40

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Solution

The fourth proportional to 552,092.20, 828,138.30 and 363,135.40 is: 544,703.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,092.20 : 828,138.30 = 363,135.40 : x
  2. Step 2: Convert to fraction form
    552,092.20/828,138.30 = 363,135.40/x
  3. Step 3: Cross multiply
    552,092.20x = 828,138.30 × 363,135.40
  4. Step 4: Simplify right side
    552,092.20x = 300,726,332,825.82
  5. Step 5: Solve for x
    x = 300,726,332,825.82/552,092.20
  6. Step 6: Final answer
    x = 544,703.10

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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.