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Finding the Fourth Proportional to 552,351.60, 828,138.60 and 252,975.60

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Solution

The fourth proportional to 552,351.60, 828,138.60 and 252,975.60 is: 379,285.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,351.60 : 828,138.60 = 252,975.60 : x
  2. Step 2: Convert to fraction form
    552,351.60/828,138.60 = 252,975.60/x
  3. Step 3: Cross multiply
    552,351.60x = 828,138.60 × 252,975.60
  4. Step 4: Simplify right side
    552,351.60x = 209,498,859,218.16
  5. Step 5: Solve for x
    x = 209,498,859,218.16/552,351.60
  6. Step 6: Final answer
    x = 379,285.33

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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.