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Finding the Fourth Proportional to 636,234.40, 954,351.60 and 582,320.80

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Solution

The fourth proportional to 636,234.40, 954,351.60 and 582,320.80 is: 873,481.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,234.40 : 954,351.60 = 582,320.80 : x
  2. Step 2: Convert to fraction form
    636,234.40/954,351.60 = 582,320.80/x
  3. Step 3: Cross multiply
    636,234.40x = 954,351.60 × 582,320.80
  4. Step 4: Simplify right side
    636,234.40x = 555,738,787,193.28
  5. Step 5: Solve for x
    x = 555,738,787,193.28/636,234.40
  6. Step 6: Final answer
    x = 873,481.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.