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Finding the Fourth Proportional to 555,895.72, 834,959.46 and 331,693.72

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Solution

The fourth proportional to 555,895.72, 834,959.46 and 331,693.72 is: 498,206.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,895.72 : 834,959.46 = 331,693.72 : x
  2. Step 2: Convert to fraction form
    555,895.72/834,959.46 = 331,693.72/x
  3. Step 3: Cross multiply
    555,895.72x = 834,959.46 × 331,693.72
  4. Step 4: Simplify right side
    555,895.72x = 276,950,809,336.59
  5. Step 5: Solve for x
    x = 276,950,809,336.59/555,895.72
  6. Step 6: Final answer
    x = 498,206.41

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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.