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Finding the Fourth Proportional to 552,245.75, 828,378.87 and 173,158.00

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Solution

The fourth proportional to 552,245.75, 828,378.87 and 173,158.00 is: 259,740.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,245.75 : 828,378.87 = 173,158.00 : x
  2. Step 2: Convert to fraction form
    552,245.75/828,378.87 = 173,158.00/x
  3. Step 3: Cross multiply
    552,245.75x = 828,378.87 × 173,158.00
  4. Step 4: Simplify right side
    552,245.75x = 143,440,431,771.82
  5. Step 5: Solve for x
    x = 143,440,431,771.82/552,245.75
  6. Step 6: Final answer
    x = 259,740.22

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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.