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Finding the Fourth Proportional to 416,372.48, 624,658.24 and 135,890.24

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Solution

The fourth proportional to 416,372.48, 624,658.24 and 135,890.24 is: 203,867.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,372.48 : 624,658.24 = 135,890.24 : x
  2. Step 2: Convert to fraction form
    416,372.48/624,658.24 = 135,890.24/x
  3. Step 3: Cross multiply
    416,372.48x = 624,658.24 × 135,890.24
  4. Step 4: Simplify right side
    416,372.48x = 84,884,958,151.58
  5. Step 5: Solve for x
    x = 84,884,958,151.58/416,372.48
  6. Step 6: Final answer
    x = 203,867.84

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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.