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Finding the Fourth Proportional to 664,896.60, 997,344.90 and 244,117.80

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Solution

The fourth proportional to 664,896.60, 997,344.90 and 244,117.80 is: 366,176.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,896.60 : 997,344.90 = 244,117.80 : x
  2. Step 2: Convert to fraction form
    664,896.60/997,344.90 = 244,117.80/x
  3. Step 3: Cross multiply
    664,896.60x = 997,344.90 × 244,117.80
  4. Step 4: Simplify right side
    664,896.60x = 243,469,642,829.22
  5. Step 5: Solve for x
    x = 243,469,642,829.22/664,896.60
  6. Step 6: Final answer
    x = 366,176.70

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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.