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Finding the Fourth Proportional to 367,047.80, 550,895.70 and 217,100.60

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Solution

The fourth proportional to 367,047.80, 550,895.70 and 217,100.60 is: 325,842.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,047.80 : 550,895.70 = 217,100.60 : x
  2. Step 2: Convert to fraction form
    367,047.80/550,895.70 = 217,100.60/x
  3. Step 3: Cross multiply
    367,047.80x = 550,895.70 × 217,100.60
  4. Step 4: Simplify right side
    367,047.80x = 119,599,787,007.42
  5. Step 5: Solve for x
    x = 119,599,787,007.42/367,047.80
  6. Step 6: Final answer
    x = 325,842.54

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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.