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Finding the Fourth Proportional to 368,147.70, 552,221.55 and 273,669.30

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Solution

The fourth proportional to 368,147.70, 552,221.55 and 273,669.30 is: 410,503.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,147.70 : 552,221.55 = 273,669.30 : x
  2. Step 2: Convert to fraction form
    368,147.70/552,221.55 = 273,669.30/x
  3. Step 3: Cross multiply
    368,147.70x = 552,221.55 × 273,669.30
  4. Step 4: Simplify right side
    368,147.70x = 151,126,085,033.42
  5. Step 5: Solve for x
    x = 151,126,085,033.42/368,147.70
  6. Step 6: Final answer
    x = 410,503.95

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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.