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Finding the Fourth Proportional to 342,776.79, 472,885.29 and 206,733.33

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Solution

The fourth proportional to 342,776.79, 472,885.29 and 206,733.33 is: 285,203.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,776.79 : 472,885.29 = 206,733.33 : x
  2. Step 2: Convert to fraction form
    342,776.79/472,885.29 = 206,733.33/x
  3. Step 3: Cross multiply
    342,776.79x = 472,885.29 × 206,733.33
  4. Step 4: Simplify right side
    342,776.79x = 97,761,150,709.72
  5. Step 5: Solve for x
    x = 97,761,150,709.72/342,776.79
  6. Step 6: Final answer
    x = 285,203.53

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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.