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Finding the Fourth Proportional to 703,393.44, 970,147.35 and 605,443.38

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Solution

The fourth proportional to 703,393.44, 970,147.35 and 605,443.38 is: 835,050.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,393.44 : 970,147.35 = 605,443.38 : x
  2. Step 2: Convert to fraction form
    703,393.44/970,147.35 = 605,443.38/x
  3. Step 3: Cross multiply
    703,393.44x = 970,147.35 × 605,443.38
  4. Step 4: Simplify right side
    703,393.44x = 587,369,290,682.04
  5. Step 5: Solve for x
    x = 587,369,290,682.04/703,393.44
  6. Step 6: Final answer
    x = 835,050.85

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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.