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Finding the Fourth Proportional to 747,483.72, 1,120,558.92 and 274,059

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Solution

The fourth proportional to 747,483.72, 1,120,558.92 and 274,059 is: 410,844.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,483.72 : 1,120,558.92 = 274,059 : x
  2. Step 2: Convert to fraction form
    747,483.72/1,120,558.92 = 274,059/x
  3. Step 3: Cross multiply
    747,483.72x = 1,120,558.92 × 274,059
  4. Step 4: Simplify right side
    747,483.72x = 307,099,257,056.28
  5. Step 5: Solve for x
    x = 307,099,257,056.28/747,483.72
  6. Step 6: Final answer
    x = 410,844.07

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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.