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Finding the Fourth Proportional to 227,773.40, 340,853.70 and 198,512.60

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Solution

The fourth proportional to 227,773.40, 340,853.70 and 198,512.60 is: 297,066.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,773.40 : 340,853.70 = 198,512.60 : x
  2. Step 2: Convert to fraction form
    227,773.40/340,853.70 = 198,512.60/x
  3. Step 3: Cross multiply
    227,773.40x = 340,853.70 × 198,512.60
  4. Step 4: Simplify right side
    227,773.40x = 67,663,754,206.62
  5. Step 5: Solve for x
    x = 67,663,754,206.62/227,773.40
  6. Step 6: Final answer
    x = 297,066.09

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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.