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Finding the Fourth Proportional to 468,939.56, 703,265.68 and 169,383.20

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Solution

The fourth proportional to 468,939.56, 703,265.68 and 169,383.20 is: 254,022.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,939.56 : 703,265.68 = 169,383.20 : x
  2. Step 2: Convert to fraction form
    468,939.56/703,265.68 = 169,383.20/x
  3. Step 3: Cross multiply
    468,939.56x = 703,265.68 × 169,383.20
  4. Step 4: Simplify right side
    468,939.56x = 119,121,391,328.58
  5. Step 5: Solve for x
    x = 119,121,391,328.58/468,939.56
  6. Step 6: Final answer
    x = 254,022.91

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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.