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Finding the Fourth Proportional to 227,491.60, 341,518.20 and 143,251.60

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Solution

The fourth proportional to 227,491.60, 341,518.20 and 143,251.60 is: 215,054.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,491.60 : 341,518.20 = 143,251.60 : x
  2. Step 2: Convert to fraction form
    227,491.60/341,518.20 = 143,251.60/x
  3. Step 3: Cross multiply
    227,491.60x = 341,518.20 × 143,251.60
  4. Step 4: Simplify right side
    227,491.60x = 48,923,028,579.12
  5. Step 5: Solve for x
    x = 48,923,028,579.12/227,491.60
  6. Step 6: Final answer
    x = 215,054.22

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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.