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Finding the Fourth Proportional to 306,044.70, 459,067.05 and 227,312.70

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Solution

The fourth proportional to 306,044.70, 459,067.05 and 227,312.70 is: 340,969.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,044.70 : 459,067.05 = 227,312.70 : x
  2. Step 2: Convert to fraction form
    306,044.70/459,067.05 = 227,312.70/x
  3. Step 3: Cross multiply
    306,044.70x = 459,067.05 × 227,312.70
  4. Step 4: Simplify right side
    306,044.70x = 104,351,770,616.54
  5. Step 5: Solve for x
    x = 104,351,770,616.54/306,044.70
  6. Step 6: Final answer
    x = 340,969.05

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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.