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Finding the Fourth Proportional to 342,391.89, 472,652.15 and 204,619.44

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Solution

The fourth proportional to 342,391.89, 472,652.15 and 204,619.44 is: 282,465.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,391.89 : 472,652.15 = 204,619.44 : x
  2. Step 2: Convert to fraction form
    342,391.89/472,652.15 = 204,619.44/x
  3. Step 3: Cross multiply
    342,391.89x = 472,652.15 × 204,619.44
  4. Step 4: Simplify right side
    342,391.89x = 96,713,816,396.08
  5. Step 5: Solve for x
    x = 96,713,816,396.08/342,391.89
  6. Step 6: Final answer
    x = 282,465.27

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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.