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Finding the Fourth Proportional to 451,626.96, 623,273.22 and 250,422.96

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Solution

The fourth proportional to 451,626.96, 623,273.22 and 250,422.96 is: 345,599.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,626.96 : 623,273.22 = 250,422.96 : x
  2. Step 2: Convert to fraction form
    451,626.96/623,273.22 = 250,422.96/x
  3. Step 3: Cross multiply
    451,626.96x = 623,273.22 × 250,422.96
  4. Step 4: Simplify right side
    451,626.96x = 156,081,924,641.13
  5. Step 5: Solve for x
    x = 156,081,924,641.13/451,626.96
  6. Step 6: Final answer
    x = 345,599.22

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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.