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Finding the Fourth Proportional to 649,359.70, 974,039.55 and 531,261.70

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Solution

The fourth proportional to 649,359.70, 974,039.55 and 531,261.70 is: 796,892.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,359.70 : 974,039.55 = 531,261.70 : x
  2. Step 2: Convert to fraction form
    649,359.70/974,039.55 = 531,261.70/x
  3. Step 3: Cross multiply
    649,359.70x = 974,039.55 × 531,261.70
  4. Step 4: Simplify right side
    649,359.70x = 517,469,907,200.24
  5. Step 5: Solve for x
    x = 517,469,907,200.24/649,359.70
  6. Step 6: Final answer
    x = 796,892.55

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