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Finding the Fourth Proportional to 633,967.20, 949,201.20 and 493,999.20

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Solution

The fourth proportional to 633,967.20, 949,201.20 and 493,999.20 is: 739,635.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,967.20 : 949,201.20 = 493,999.20 : x
  2. Step 2: Convert to fraction form
    633,967.20/949,201.20 = 493,999.20/x
  3. Step 3: Cross multiply
    633,967.20x = 949,201.20 × 493,999.20
  4. Step 4: Simplify right side
    633,967.20x = 468,904,633,439.04
  5. Step 5: Solve for x
    x = 468,904,633,439.04/633,967.20
  6. Step 6: Final answer
    x = 739,635.48

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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.