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Finding the Fourth Proportional to 416,380.90, 624,188.64 and 150,076.24

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Solution

The fourth proportional to 416,380.90, 624,188.64 and 150,076.24 is: 224,976.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,380.90 : 624,188.64 = 150,076.24 : x
  2. Step 2: Convert to fraction form
    416,380.90/624,188.64 = 150,076.24/x
  3. Step 3: Cross multiply
    416,380.90x = 624,188.64 × 150,076.24
  4. Step 4: Simplify right side
    416,380.90x = 93,675,884,141.91
  5. Step 5: Solve for x
    x = 93,675,884,141.91/416,380.90
  6. Step 6: Final answer
    x = 224,976.42

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1.5x scale

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.