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Finding the Fourth Proportional to 664,768.80, 997,153.20 and 244,208.70

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Solution

The fourth proportional to 664,768.80, 997,153.20 and 244,208.70 is: 366,313.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,768.80 : 997,153.20 = 244,208.70 : x
  2. Step 2: Convert to fraction form
    664,768.80/997,153.20 = 244,208.70/x
  3. Step 3: Cross multiply
    664,768.80x = 997,153.20 × 244,208.70
  4. Step 4: Simplify right side
    664,768.80x = 243,513,486,672.84
  5. Step 5: Solve for x
    x = 243,513,486,672.84/664,768.80
  6. Step 6: Final answer
    x = 366,313.05

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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.