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Finding the Fourth Proportional to 416,194.20, 624,176.10 and 166,901.40

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Solution

The fourth proportional to 416,194.20, 624,176.10 and 166,901.40 is: 250,305.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,194.20 : 624,176.10 = 166,901.40 : x
  2. Step 2: Convert to fraction form
    416,194.20/624,176.10 = 166,901.40/x
  3. Step 3: Cross multiply
    416,194.20x = 624,176.10 × 166,901.40
  4. Step 4: Simplify right side
    416,194.20x = 104,175,864,936.54
  5. Step 5: Solve for x
    x = 104,175,864,936.54/416,194.20
  6. Step 6: Final answer
    x = 250,305.90

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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.