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Finding the Fourth Proportional to 367,073.70, 550,610.55 and 209,609.70

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Solution

The fourth proportional to 367,073.70, 550,610.55 and 209,609.70 is: 314,414.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,073.70 : 550,610.55 = 209,609.70 : x
  2. Step 2: Convert to fraction form
    367,073.70/550,610.55 = 209,609.70/x
  3. Step 3: Cross multiply
    367,073.70x = 550,610.55 × 209,609.70
  4. Step 4: Simplify right side
    367,073.70x = 115,413,312,202.34
  5. Step 5: Solve for x
    x = 115,413,312,202.34/367,073.70
  6. Step 6: Final answer
    x = 314,414.55

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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.