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Finding the Fourth Proportional to 636,224.70, 954,337.05 and 192,992.70

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Solution

The fourth proportional to 636,224.70, 954,337.05 and 192,992.70 is: 289,489.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,224.70 : 954,337.05 = 192,992.70 : x
  2. Step 2: Convert to fraction form
    636,224.70/954,337.05 = 192,992.70/x
  3. Step 3: Cross multiply
    636,224.70x = 954,337.05 × 192,992.70
  4. Step 4: Simplify right side
    636,224.70x = 184,180,083,989.54
  5. Step 5: Solve for x
    x = 184,180,083,989.54/636,224.70
  6. Step 6: Final answer
    x = 289,489.05

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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.