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Finding the Fourth Proportional to 552,178.80, 828,268.20 and 548,679.60

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Solution

The fourth proportional to 552,178.80, 828,268.20 and 548,679.60 is: 823,019.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,178.80 : 828,268.20 = 548,679.60 : x
  2. Step 2: Convert to fraction form
    552,178.80/828,268.20 = 548,679.60/x
  3. Step 3: Cross multiply
    552,178.80x = 828,268.20 × 548,679.60
  4. Step 4: Simplify right side
    552,178.80x = 454,453,864,668.72
  5. Step 5: Solve for x
    x = 454,453,864,668.72/552,178.80
  6. Step 6: Final answer
    x = 823,019.40

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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.