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Finding the Fourth Proportional to 468,910.12, 703,362.84 and 169,390.48

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Solution

The fourth proportional to 468,910.12, 703,362.84 and 169,390.48 is: 254,084.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,910.12 : 703,362.84 = 169,390.48 : x
  2. Step 2: Convert to fraction form
    468,910.12/703,362.84 = 169,390.48/x
  3. Step 3: Cross multiply
    468,910.12x = 703,362.84 × 169,390.48
  4. Step 4: Simplify right side
    468,910.12x = 119,142,969,081.76
  5. Step 5: Solve for x
    x = 119,142,969,081.76/468,910.12
  6. Step 6: Final answer
    x = 254,084.87

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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.