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Finding the Fourth Proportional to 484,716.55, 727,406.96 and 169,173.46

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Solution

The fourth proportional to 484,716.55, 727,406.96 and 169,173.46 is: 253,876.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,716.55 : 727,406.96 = 169,173.46 : x
  2. Step 2: Convert to fraction form
    484,716.55/727,406.96 = 169,173.46/x
  3. Step 3: Cross multiply
    484,716.55x = 727,406.96 × 169,173.46
  4. Step 4: Simplify right side
    484,716.55x = 123,057,952,251.28
  5. Step 5: Solve for x
    x = 123,057,952,251.28/484,716.55
  6. Step 6: Final answer
    x = 253,876.11

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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.