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Finding the Fourth Proportional to 367,072.70, 550,609.05 and 209,608.70

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Solution

The fourth proportional to 367,072.70, 550,609.05 and 209,608.70 is: 314,413.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,072.70 : 550,609.05 = 209,608.70 : x
  2. Step 2: Convert to fraction form
    367,072.70/550,609.05 = 209,608.70/x
  3. Step 3: Cross multiply
    367,072.70x = 550,609.05 × 209,608.70
  4. Step 4: Simplify right side
    367,072.70x = 115,412,447,178.74
  5. Step 5: Solve for x
    x = 115,412,447,178.74/367,072.70
  6. Step 6: Final answer
    x = 314,413.05

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Similar ratio
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1.5x scale

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.