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Finding the Fourth Proportional to 532,912.86, 799,495.11 and 173,082.60

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Solution

The fourth proportional to 532,912.86, 799,495.11 and 173,082.60 is: 259,664.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,912.86 : 799,495.11 = 173,082.60 : x
  2. Step 2: Convert to fraction form
    532,912.86/799,495.11 = 173,082.60/x
  3. Step 3: Cross multiply
    532,912.86x = 799,495.11 × 173,082.60
  4. Step 4: Simplify right side
    532,912.86x = 138,378,692,326.09
  5. Step 5: Solve for x
    x = 138,378,692,326.09/532,912.86
  6. Step 6: Final answer
    x = 259,664.76

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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.