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Finding the Fourth Proportional to 703,317.96, 970,221.92 and 444,759.21

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Solution

The fourth proportional to 703,317.96, 970,221.92 and 444,759.21 is: 613,542.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,317.96 : 970,221.92 = 444,759.21 : x
  2. Step 2: Convert to fraction form
    703,317.96/970,221.92 = 444,759.21/x
  3. Step 3: Cross multiply
    703,317.96x = 970,221.92 × 444,759.21
  4. Step 4: Simplify right side
    703,317.96x = 431,515,132,440.09
  5. Step 5: Solve for x
    x = 431,515,132,440.09/703,317.96
  6. Step 6: Final answer
    x = 613,542.04

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.