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Finding the Fourth Proportional to 552,500.80, 828,433.68 and 268,093.60

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Solution

The fourth proportional to 552,500.80, 828,433.68 and 268,093.60 is: 401,986.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,500.80 : 828,433.68 = 268,093.60 : x
  2. Step 2: Convert to fraction form
    552,500.80/828,433.68 = 268,093.60/x
  3. Step 3: Cross multiply
    552,500.80x = 828,433.68 × 268,093.60
  4. Step 4: Simplify right side
    552,500.80x = 222,097,767,632.45
  5. Step 5: Solve for x
    x = 222,097,767,632.45/552,500.80
  6. Step 6: Final answer
    x = 401,986.33

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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.