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Finding the Fourth Proportional to 552,418.10, 828,771.36 and 173,350.86

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Solution

The fourth proportional to 552,418.10, 828,771.36 and 173,350.86 is: 260,071.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,418.10 : 828,771.36 = 173,350.86 : x
  2. Step 2: Convert to fraction form
    552,418.10/828,771.36 = 173,350.86/x
  3. Step 3: Cross multiply
    552,418.10x = 828,771.36 × 173,350.86
  4. Step 4: Simplify right side
    552,418.10x = 143,668,227,999.37
  5. Step 5: Solve for x
    x = 143,668,227,999.37/552,418.10
  6. Step 6: Final answer
    x = 260,071.54

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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.