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Finding the Fourth Proportional to 416,479.46, 624,719.19 and 100,936.37

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Solution

The fourth proportional to 416,479.46, 624,719.19 and 100,936.37 is: 151,404.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,479.46 : 624,719.19 = 100,936.37 : x
  2. Step 2: Convert to fraction form
    416,479.46/624,719.19 = 100,936.37/x
  3. Step 3: Cross multiply
    416,479.46x = 624,719.19 × 100,936.37
  4. Step 4: Simplify right side
    416,479.46x = 63,056,886,905.55
  5. Step 5: Solve for x
    x = 63,056,886,905.55/416,479.46
  6. Step 6: Final answer
    x = 151,404.55

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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.