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Finding the Fourth Proportional to 416,624.62, 624,969.34 and 136,170.22

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Solution

The fourth proportional to 416,624.62, 624,969.34 and 136,170.22 is: 204,265.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,624.62 : 624,969.34 = 136,170.22 : x
  2. Step 2: Convert to fraction form
    416,624.62/624,969.34 = 136,170.22/x
  3. Step 3: Cross multiply
    416,624.62x = 624,969.34 × 136,170.22
  4. Step 4: Simplify right side
    416,624.62x = 85,102,211,840.20
  5. Step 5: Solve for x
    x = 85,102,211,840.20/416,624.62
  6. Step 6: Final answer
    x = 204,265.92

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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.