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Finding the Fourth Proportional to 484,812.95, 727,163.80 and 185,286.87

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Solution

The fourth proportional to 484,812.95, 727,163.80 and 185,286.87 is: 277,909.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,812.95 : 727,163.80 = 185,286.87 : x
  2. Step 2: Convert to fraction form
    484,812.95/727,163.80 = 185,286.87/x
  3. Step 3: Cross multiply
    484,812.95x = 727,163.80 × 185,286.87
  4. Step 4: Simplify right side
    484,812.95x = 134,733,904,016.09
  5. Step 5: Solve for x
    x = 134,733,904,016.09/484,812.95
  6. Step 6: Final answer
    x = 277,909.05

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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.