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Finding the Fourth Proportional to 469,286.82, 703,893.51 and 132,313.86

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Solution

The fourth proportional to 469,286.82, 703,893.51 and 132,313.86 is: 198,460.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,286.82 : 703,893.51 = 132,313.86 : x
  2. Step 2: Convert to fraction form
    469,286.82/703,893.51 = 132,313.86/x
  3. Step 3: Cross multiply
    469,286.82x = 703,893.51 × 132,313.86
  4. Step 4: Simplify right side
    469,286.82x = 93,134,867,337.05
  5. Step 5: Solve for x
    x = 93,134,867,337.05/469,286.82
  6. Step 6: Final answer
    x = 198,460.44

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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.