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Finding the Fourth Proportional to 342,392.64, 472,653.19 and 204,620.19

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Solution

The fourth proportional to 342,392.64, 472,653.19 and 204,620.19 is: 282,466.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,392.64 : 472,653.19 = 204,620.19 : x
  2. Step 2: Convert to fraction form
    342,392.64/472,653.19 = 204,620.19/x
  3. Step 3: Cross multiply
    342,392.64x = 472,653.19 × 204,620.19
  4. Step 4: Simplify right side
    342,392.64x = 96,714,382,667.09
  5. Step 5: Solve for x
    x = 96,714,382,667.09/342,392.64
  6. Step 6: Final answer
    x = 282,466.30

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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.