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Finding the Fourth Proportional to 484,718.56, 727,409.96 and 169,175.46

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Solution

The fourth proportional to 484,718.56, 727,409.96 and 169,175.46 is: 253,879.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,718.56 : 727,409.96 = 169,175.46 : x
  2. Step 2: Convert to fraction form
    484,718.56/727,409.96 = 169,175.46/x
  3. Step 3: Cross multiply
    484,718.56x = 727,409.96 × 169,175.46
  4. Step 4: Simplify right side
    484,718.56x = 123,059,914,591.58
  5. Step 5: Solve for x
    x = 123,059,914,591.58/484,718.56
  6. Step 6: Final answer
    x = 253,879.11

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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.