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Finding the Fourth Proportional to 701,944.76, 968,683.94 and 396,086.08

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Solution

The fourth proportional to 701,944.76, 968,683.94 and 396,086.08 is: 546,598.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,944.76 : 968,683.94 = 396,086.08 : x
  2. Step 2: Convert to fraction form
    701,944.76/968,683.94 = 396,086.08/x
  3. Step 3: Cross multiply
    701,944.76x = 968,683.94 × 396,086.08
  4. Step 4: Simplify right side
    701,944.76x = 383,682,224,553.56
  5. Step 5: Solve for x
    x = 383,682,224,553.56/701,944.76
  6. Step 6: Final answer
    x = 546,598.89

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.