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Finding the Fourth Proportional to 609,785.10, 914,530.56 and 254,606.58

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Solution

The fourth proportional to 609,785.10, 914,530.56 and 254,606.58 is: 381,848.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,785.10 : 914,530.56 = 254,606.58 : x
  2. Step 2: Convert to fraction form
    609,785.10/914,530.56 = 254,606.58/x
  3. Step 3: Cross multiply
    609,785.10x = 914,530.56 × 254,606.58
  4. Step 4: Simplify right side
    609,785.10x = 232,845,498,187.09
  5. Step 5: Solve for x
    x = 232,845,498,187.09/609,785.10
  6. Step 6: Final answer
    x = 381,848.45

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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.