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Finding the Fourth Proportional to 703,318.96, 970,223.29 and 444,760.21

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Solution

The fourth proportional to 703,318.96, 970,223.29 and 444,760.21 is: 613,543.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,318.96 : 970,223.29 = 444,760.21 : x
  2. Step 2: Convert to fraction form
    703,318.96/970,223.29 = 444,760.21/x
  3. Step 3: Cross multiply
    703,318.96x = 970,223.29 × 444,760.21
  4. Step 4: Simplify right side
    703,318.96x = 431,516,714,207.29
  5. Step 5: Solve for x
    x = 431,516,714,207.29/703,318.96
  6. Step 6: Final answer
    x = 613,543.41

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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.