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Finding the Fourth Proportional to 349,083.50, 481,735.23 and 190,107.50

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Solution

The fourth proportional to 349,083.50, 481,735.23 and 190,107.50 is: 262,348.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,083.50 : 481,735.23 = 190,107.50 : x
  2. Step 2: Convert to fraction form
    349,083.50/481,735.23 = 190,107.50/x
  3. Step 3: Cross multiply
    349,083.50x = 481,735.23 × 190,107.50
  4. Step 4: Simplify right side
    349,083.50x = 91,581,480,237.23
  5. Step 5: Solve for x
    x = 91,581,480,237.23/349,083.50
  6. Step 6: Final answer
    x = 262,348.35

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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.