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Finding the Fourth Proportional to 227,515.80, 341,273.70 and 210,408.60

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Solution

The fourth proportional to 227,515.80, 341,273.70 and 210,408.60 is: 315,612.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,515.80 : 341,273.70 = 210,408.60 : x
  2. Step 2: Convert to fraction form
    227,515.80/341,273.70 = 210,408.60/x
  3. Step 3: Cross multiply
    227,515.80x = 341,273.70 × 210,408.60
  4. Step 4: Simplify right side
    227,515.80x = 71,806,921,433.82
  5. Step 5: Solve for x
    x = 71,806,921,433.82/227,515.80
  6. Step 6: Final answer
    x = 315,612.90

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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.