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Finding the Fourth Proportional to 416,507.68, 624,759.48 and 100,964.62

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Solution

The fourth proportional to 416,507.68, 624,759.48 and 100,964.62 is: 151,446.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,507.68 : 624,759.48 = 100,964.62 : x
  2. Step 2: Convert to fraction form
    416,507.68/624,759.48 = 100,964.62/x
  3. Step 3: Cross multiply
    416,507.68x = 624,759.48 × 100,964.62
  4. Step 4: Simplify right side
    416,507.68x = 63,078,603,489.60
  5. Step 5: Solve for x
    x = 63,078,603,489.60/416,507.68
  6. Step 6: Final answer
    x = 151,446.44

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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.