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Finding the Fourth Proportional to 351,395.80, 484,920.33 and 190,249.54

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Solution

The fourth proportional to 351,395.80, 484,920.33 and 190,249.54 is: 262,541.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,395.80 : 484,920.33 = 190,249.54 : x
  2. Step 2: Convert to fraction form
    351,395.80/484,920.33 = 190,249.54/x
  3. Step 3: Cross multiply
    351,395.80x = 484,920.33 × 190,249.54
  4. Step 4: Simplify right side
    351,395.80x = 92,255,869,719.15
  5. Step 5: Solve for x
    x = 92,255,869,719.15/351,395.80
  6. Step 6: Final answer
    x = 262,541.18

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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.