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Finding the Fourth Proportional to 701,964.39, 968,711.04 and 396,105.59

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Solution

The fourth proportional to 701,964.39, 968,711.04 and 396,105.59 is: 546,625.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,964.39 : 968,711.04 = 396,105.59 : x
  2. Step 2: Convert to fraction form
    701,964.39/968,711.04 = 396,105.59/x
  3. Step 3: Cross multiply
    701,964.39x = 968,711.04 × 396,105.59
  4. Step 4: Simplify right side
    701,964.39x = 383,711,851,214.63
  5. Step 5: Solve for x
    x = 383,711,851,214.63/701,964.39
  6. Step 6: Final answer
    x = 546,625.81

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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.