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Finding the Fourth Proportional to 703,466.46, 970,832.98 and 397,571.10

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Solution

The fourth proportional to 703,466.46, 970,832.98 and 397,571.10 is: 548,675.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,466.46 : 970,832.98 = 397,571.10 : x
  2. Step 2: Convert to fraction form
    703,466.46/970,832.98 = 397,571.10/x
  3. Step 3: Cross multiply
    703,466.46x = 970,832.98 × 397,571.10
  4. Step 4: Simplify right side
    703,466.46x = 385,975,135,774.88
  5. Step 5: Solve for x
    x = 385,975,135,774.88/703,466.46
  6. Step 6: Final answer
    x = 548,675.96

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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.