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Finding the Fourth Proportional to 633,034.88, 949,730.15 and 254,221.64

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Solution

The fourth proportional to 633,034.88, 949,730.15 and 254,221.64 is: 381,403.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,034.88 : 949,730.15 = 254,221.64 : x
  2. Step 2: Convert to fraction form
    633,034.88/949,730.15 = 254,221.64/x
  3. Step 3: Cross multiply
    633,034.88x = 949,730.15 × 254,221.64
  4. Step 4: Simplify right side
    633,034.88x = 241,441,950,270.69
  5. Step 5: Solve for x
    x = 241,441,950,270.69/633,034.88
  6. Step 6: Final answer
    x = 381,403.87

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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.