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Finding the Fourth Proportional to 351,567.54, 527,267.34 and 151,778.61

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Solution

The fourth proportional to 351,567.54, 527,267.34 and 151,778.61 is: 227,631.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,567.54 : 527,267.34 = 151,778.61 : x
  2. Step 2: Convert to fraction form
    351,567.54/527,267.34 = 151,778.61/x
  3. Step 3: Cross multiply
    351,567.54x = 527,267.34 × 151,778.61
  4. Step 4: Simplify right side
    351,567.54x = 80,027,903,963.60
  5. Step 5: Solve for x
    x = 80,027,903,963.60/351,567.54
  6. Step 6: Final answer
    x = 227,631.66

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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.