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Finding the Fourth Proportional to 382,372.80, 573,542.40 and 116,127.36

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Solution

The fourth proportional to 382,372.80, 573,542.40 and 116,127.36 is: 174,185.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,372.80 : 573,542.40 = 116,127.36 : x
  2. Step 2: Convert to fraction form
    382,372.80/573,542.40 = 116,127.36/x
  3. Step 3: Cross multiply
    382,372.80x = 573,542.40 × 116,127.36
  4. Step 4: Simplify right side
    382,372.80x = 66,603,964,760.06
  5. Step 5: Solve for x
    x = 66,603,964,760.06/382,372.80
  6. Step 6: Final answer
    x = 174,185.94

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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.