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Finding the Fourth Proportional to 469,313.38, 703,961.70 and 114,326.56

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Solution

The fourth proportional to 469,313.38, 703,961.70 and 114,326.56 is: 171,487.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,313.38 : 703,961.70 = 114,326.56 : x
  2. Step 2: Convert to fraction form
    469,313.38/703,961.70 = 114,326.56/x
  3. Step 3: Cross multiply
    469,313.38x = 703,961.70 × 114,326.56
  4. Step 4: Simplify right side
    469,313.38x = 80,481,519,532.75
  5. Step 5: Solve for x
    x = 80,481,519,532.75/469,313.38
  6. Step 6: Final answer
    x = 171,487.80

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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.