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Finding the Fourth Proportional to 664,950.60, 997,425.90 and 244,171.80

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Solution

The fourth proportional to 664,950.60, 997,425.90 and 244,171.80 is: 366,257.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,950.60 : 997,425.90 = 244,171.80 : x
  2. Step 2: Convert to fraction form
    664,950.60/997,425.90 = 244,171.80/x
  3. Step 3: Cross multiply
    664,950.60x = 997,425.90 × 244,171.80
  4. Step 4: Simplify right side
    664,950.60x = 243,543,277,369.62
  5. Step 5: Solve for x
    x = 243,543,277,369.62/664,950.60
  6. Step 6: Final answer
    x = 366,257.70

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Double scale
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Similar ratio
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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.