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Finding the Fourth Proportional to 609,518.88, 914,424.30 and 254,335.32

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Solution

The fourth proportional to 609,518.88, 914,424.30 and 254,335.32 is: 381,563.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,518.88 : 914,424.30 = 254,335.32 : x
  2. Step 2: Convert to fraction form
    609,518.88/914,424.30 = 254,335.32/x
  3. Step 3: Cross multiply
    609,518.88x = 914,424.30 × 254,335.32
  4. Step 4: Simplify right side
    609,518.88x = 232,570,396,956.28
  5. Step 5: Solve for x
    x = 232,570,396,956.28/609,518.88
  6. Step 6: Final answer
    x = 381,563.89

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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.