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Finding the Fourth Proportional to 636,229.20, 954,343.80 and 192,997.20

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Solution

The fourth proportional to 636,229.20, 954,343.80 and 192,997.20 is: 289,495.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,229.20 : 954,343.80 = 192,997.20 : x
  2. Step 2: Convert to fraction form
    636,229.20/954,343.80 = 192,997.20/x
  3. Step 3: Cross multiply
    636,229.20x = 954,343.80 × 192,997.20
  4. Step 4: Simplify right side
    636,229.20x = 184,185,681,237.36
  5. Step 5: Solve for x
    x = 184,185,681,237.36/636,229.20
  6. Step 6: Final answer
    x = 289,495.80

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Similar ratio
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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.