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Finding the Fourth Proportional to 351,665.04, 485,297.07 and 190,524.11

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Solution

The fourth proportional to 351,665.04, 485,297.07 and 190,524.11 is: 262,922.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,665.04 : 485,297.07 = 190,524.11 : x
  2. Step 2: Convert to fraction form
    351,665.04/485,297.07 = 190,524.11/x
  3. Step 3: Cross multiply
    351,665.04x = 485,297.07 × 190,524.11
  4. Step 4: Simplify right side
    351,665.04x = 92,460,792,347.36
  5. Step 5: Solve for x
    x = 92,460,792,347.36/351,665.04
  6. Step 6: Final answer
    x = 262,922.90

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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.