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Finding the Fourth Proportional to 342,615.63, 472,803.83 and 189,650.52

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Solution

The fourth proportional to 342,615.63, 472,803.83 and 189,650.52 is: 261,714.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,615.63 : 472,803.83 = 189,650.52 : x
  2. Step 2: Convert to fraction form
    342,615.63/472,803.83 = 189,650.52/x
  3. Step 3: Cross multiply
    342,615.63x = 472,803.83 × 189,650.52
  4. Step 4: Simplify right side
    342,615.63x = 89,667,491,269.24
  5. Step 5: Solve for x
    x = 89,667,491,269.24/342,615.63
  6. Step 6: Final answer
    x = 261,714.54

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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.