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Finding the Fourth Proportional to 633,620.63, 950,432.16 and 153,846.41

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Solution

The fourth proportional to 633,620.63, 950,432.16 and 153,846.41 is: 230,769.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,620.63 : 950,432.16 = 153,846.41 : x
  2. Step 2: Convert to fraction form
    633,620.63/950,432.16 = 153,846.41/x
  3. Step 3: Cross multiply
    633,620.63x = 950,432.16 × 153,846.41
  4. Step 4: Simplify right side
    633,620.63x = 146,220,571,012.39
  5. Step 5: Solve for x
    x = 146,220,571,012.39/633,620.63
  6. Step 6: Final answer
    x = 230,769.90

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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.