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Finding the Fourth Proportional to 323,597.01, 485,614.22 and 113,236.77

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Solution

The fourth proportional to 323,597.01, 485,614.22 and 113,236.77 is: 169,931.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,597.01 : 485,614.22 = 113,236.77 : x
  2. Step 2: Convert to fraction form
    323,597.01/485,614.22 = 113,236.77/x
  3. Step 3: Cross multiply
    323,597.01x = 485,614.22 × 113,236.77
  4. Step 4: Simplify right side
    323,597.01x = 54,989,385,172.69
  5. Step 5: Solve for x
    x = 54,989,385,172.69/323,597.01
  6. Step 6: Final answer
    x = 169,931.69

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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.