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Finding the Fourth Proportional to 552,198.40, 828,297.60 and 236,687.20

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Solution

The fourth proportional to 552,198.40, 828,297.60 and 236,687.20 is: 355,030.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,198.40 : 828,297.60 = 236,687.20 : x
  2. Step 2: Convert to fraction form
    552,198.40/828,297.60 = 236,687.20/x
  3. Step 3: Cross multiply
    552,198.40x = 828,297.60 × 236,687.20
  4. Step 4: Simplify right side
    552,198.40x = 196,047,439,710.72
  5. Step 5: Solve for x
    x = 196,047,439,710.72/552,198.40
  6. Step 6: Final answer
    x = 355,030.80

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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.