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Finding the Fourth Proportional to 342,505.36, 472,847.41 and 206,573.58

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Solution

The fourth proportional to 342,505.36, 472,847.41 and 206,573.58 is: 285,186.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,505.36 : 472,847.41 = 206,573.58 : x
  2. Step 2: Convert to fraction form
    342,505.36/472,847.41 = 206,573.58/x
  3. Step 3: Cross multiply
    342,505.36x = 472,847.41 × 206,573.58
  4. Step 4: Simplify right side
    342,505.36x = 97,677,782,277.43
  5. Step 5: Solve for x
    x = 97,677,782,277.43/342,505.36
  6. Step 6: Final answer
    x = 285,186.14

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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.