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Finding the Fourth Proportional to 382,859.45, 574,371.22 and 116,641.41

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Solution

The fourth proportional to 382,859.45, 574,371.22 and 116,641.41 is: 174,987.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,859.45 : 574,371.22 = 116,641.41 : x
  2. Step 2: Convert to fraction form
    382,859.45/574,371.22 = 116,641.41/x
  3. Step 3: Cross multiply
    382,859.45x = 574,371.22 × 116,641.41
  4. Step 4: Simplify right side
    382,859.45x = 66,995,468,964.22
  5. Step 5: Solve for x
    x = 66,995,468,964.22/382,859.45
  6. Step 6: Final answer
    x = 174,987.11

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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.