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Finding the Fourth Proportional to 609,534.88, 914,448.30 and 254,351.32

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Solution

The fourth proportional to 609,534.88, 914,448.30 and 254,351.32 is: 381,587.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,534.88 : 914,448.30 = 254,351.32 : x
  2. Step 2: Convert to fraction form
    609,534.88/914,448.30 = 254,351.32/x
  3. Step 3: Cross multiply
    609,534.88x = 914,448.30 × 254,351.32
  4. Step 4: Simplify right side
    609,534.88x = 232,591,132,176.76
  5. Step 5: Solve for x
    x = 232,591,132,176.76/609,534.88
  6. Step 6: Final answer
    x = 381,587.90

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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.