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Finding the Fourth Proportional to 703,395.44, 970,150.11 and 605,445.38

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Solution

The fourth proportional to 703,395.44, 970,150.11 and 605,445.38 is: 835,053.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,395.44 : 970,150.11 = 605,445.38 : x
  2. Step 2: Convert to fraction form
    703,395.44/970,150.11 = 605,445.38/x
  3. Step 3: Cross multiply
    703,395.44x = 970,150.11 × 605,445.38
  4. Step 4: Simplify right side
    703,395.44x = 587,372,902,005.99
  5. Step 5: Solve for x
    x = 587,372,902,005.99/703,395.44
  6. Step 6: Final answer
    x = 835,053.61

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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.