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Finding the Fourth Proportional to 342,432.69, 472,747.16 and 206,501.07

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Solution

The fourth proportional to 342,432.69, 472,747.16 and 206,501.07 is: 285,086.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,432.69 : 472,747.16 = 206,501.07 : x
  2. Step 2: Convert to fraction form
    342,432.69/472,747.16 = 206,501.07/x
  3. Step 3: Cross multiply
    342,432.69x = 472,747.16 × 206,501.07
  4. Step 4: Simplify right side
    342,432.69x = 97,622,793,346.96
  5. Step 5: Solve for x
    x = 97,622,793,346.96/342,432.69
  6. Step 6: Final answer
    x = 285,086.08

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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.