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Finding the Fourth Proportional to 431,280.43, 595,171.01 and 237,695.05

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Solution

The fourth proportional to 431,280.43, 595,171.01 and 237,695.05 is: 328,021.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,280.43 : 595,171.01 = 237,695.05 : x
  2. Step 2: Convert to fraction form
    431,280.43/595,171.01 = 237,695.05/x
  3. Step 3: Cross multiply
    431,280.43x = 595,171.01 × 237,695.05
  4. Step 4: Simplify right side
    431,280.43x = 141,469,204,318.70
  5. Step 5: Solve for x
    x = 141,469,204,318.70/431,280.43
  6. Step 6: Final answer
    x = 328,021.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.