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Finding the Fourth Proportional to 483,374.91, 667,058.39 and 268,515.15

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Solution

The fourth proportional to 483,374.91, 667,058.39 and 268,515.15 is: 370,551.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,374.91 : 667,058.39 = 268,515.15 : x
  2. Step 2: Convert to fraction form
    483,374.91/667,058.39 = 268,515.15/x
  3. Step 3: Cross multiply
    483,374.91x = 667,058.39 × 268,515.15
  4. Step 4: Simplify right side
    483,374.91x = 179,115,283,649.61
  5. Step 5: Solve for x
    x = 179,115,283,649.61/483,374.91
  6. Step 6: Final answer
    x = 370,551.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.