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Finding the Fourth Proportional to 388,833.45, 583,479.80 and 164,179.33

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Solution

The fourth proportional to 388,833.45, 583,479.80 and 164,179.33 is: 246,365.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,833.45 : 583,479.80 = 164,179.33 : x
  2. Step 2: Convert to fraction form
    388,833.45/583,479.80 = 164,179.33/x
  3. Step 3: Cross multiply
    388,833.45x = 583,479.80 × 164,179.33
  4. Step 4: Simplify right side
    388,833.45x = 95,795,322,632.53
  5. Step 5: Solve for x
    x = 95,795,322,632.53/388,833.45
  6. Step 6: Final answer
    x = 246,365.95

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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.