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Finding the Fourth Proportional to 535,844.55, 806,974.49 and 488,014.86

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Solution

The fourth proportional to 535,844.55, 806,974.49 and 488,014.86 is: 734,943.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,844.55 : 806,974.49 = 488,014.86 : x
  2. Step 2: Convert to fraction form
    535,844.55/806,974.49 = 488,014.86/x
  3. Step 3: Cross multiply
    535,844.55x = 806,974.49 × 488,014.86
  4. Step 4: Simplify right side
    535,844.55x = 393,815,542,760.92
  5. Step 5: Solve for x
    x = 393,815,542,760.92/535,844.55
  6. Step 6: Final answer
    x = 734,943.64

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.