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Finding the Fourth Proportional to 416,500.20, 624,748.22 and 100,957.12

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Solution

The fourth proportional to 416,500.20, 624,748.22 and 100,957.12 is: 151,435.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,500.20 : 624,748.22 = 100,957.12 : x
  2. Step 2: Convert to fraction form
    416,500.20/624,748.22 = 100,957.12/x
  3. Step 3: Cross multiply
    416,500.20x = 624,748.22 × 100,957.12
  4. Step 4: Simplify right side
    416,500.20x = 63,072,781,016.33
  5. Step 5: Solve for x
    x = 63,072,781,016.33/416,500.20
  6. Step 6: Final answer
    x = 151,435.18

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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.