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Finding the Fourth Proportional to 703,331.58, 970,596.21 and 381,049.72

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Solution

The fourth proportional to 703,331.58, 970,596.21 and 381,049.72 is: 525,847.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,331.58 : 970,596.21 = 381,049.72 : x
  2. Step 2: Convert to fraction form
    703,331.58/970,596.21 = 381,049.72/x
  3. Step 3: Cross multiply
    703,331.58x = 970,596.21 × 381,049.72
  4. Step 4: Simplify right side
    703,331.58x = 369,845,414,053.56
  5. Step 5: Solve for x
    x = 369,845,414,053.56/703,331.58
  6. Step 6: Final answer
    x = 525,847.87

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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.