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Finding the Fourth Proportional to 632,204.44, 872,441.60 and 345,724.44

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Solution

The fourth proportional to 632,204.44, 872,441.60 and 345,724.44 is: 477,099.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,204.44 : 872,441.60 = 345,724.44 : x
  2. Step 2: Convert to fraction form
    632,204.44/872,441.60 = 345,724.44/x
  3. Step 3: Cross multiply
    632,204.44x = 872,441.60 × 345,724.44
  4. Step 4: Simplify right side
    632,204.44x = 301,624,383,592.70
  5. Step 5: Solve for x
    x = 301,624,383,592.70/632,204.44
  6. Step 6: Final answer
    x = 477,099.44

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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.