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Finding the Fourth Proportional to 351,573.92, 527,390.32 and 102,255.52

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Solution

The fourth proportional to 351,573.92, 527,390.32 and 102,255.52 is: 153,391.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,573.92 : 527,390.32 = 102,255.52 : x
  2. Step 2: Convert to fraction form
    351,573.92/527,390.32 = 102,255.52/x
  3. Step 3: Cross multiply
    351,573.92x = 527,390.32 × 102,255.52
  4. Step 4: Simplify right side
    351,573.92x = 53,928,571,414.57
  5. Step 5: Solve for x
    x = 53,928,571,414.57/351,573.92
  6. Step 6: Final answer
    x = 153,391.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.