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Finding the Fourth Proportional to 827,803.44, 1,244,095.11 and 770,333.62

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Solution

The fourth proportional to 827,803.44, 1,244,095.11 and 770,333.62 is: 1,157,724.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,803.44 : 1,244,095.11 = 770,333.62 : x
  2. Step 2: Convert to fraction form
    827,803.44/1,244,095.11 = 770,333.62/x
  3. Step 3: Cross multiply
    827,803.44x = 1,244,095.11 × 770,333.62
  4. Step 4: Simplify right side
    827,803.44x = 958,368,289,710.60
  5. Step 5: Solve for x
    x = 958,368,289,710.60/827,803.44
  6. Step 6: Final answer
    x = 1,157,724.46

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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.