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Finding the Fourth Proportional to 609,466.32, 914,305.56 and 254,729.52

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Solution

The fourth proportional to 609,466.32, 914,305.56 and 254,729.52 is: 382,138.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,466.32 : 914,305.56 = 254,729.52 : x
  2. Step 2: Convert to fraction form
    609,466.32/914,305.56 = 254,729.52/x
  3. Step 3: Cross multiply
    609,466.32x = 914,305.56 × 254,729.52
  4. Step 4: Simplify right side
    609,466.32x = 232,900,616,432.13
  5. Step 5: Solve for x
    x = 232,900,616,432.13/609,466.32
  6. Step 6: Final answer
    x = 382,138.62

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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.