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Finding the Fourth Proportional to 342,567.42, 472,735.97 and 189,596.48

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Solution

The fourth proportional to 342,567.42, 472,735.97 and 189,596.48 is: 261,639.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,567.42 : 472,735.97 = 189,596.48 : x
  2. Step 2: Convert to fraction form
    342,567.42/472,735.97 = 189,596.48/x
  3. Step 3: Cross multiply
    342,567.42x = 472,735.97 × 189,596.48
  4. Step 4: Simplify right side
    342,567.42x = 89,629,073,280.71
  5. Step 5: Solve for x
    x = 89,629,073,280.71/342,567.42
  6. Step 6: Final answer
    x = 261,639.22

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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.