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Finding the Fourth Proportional to 353,617.87, 487,653.46 and 237,593.72

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Solution

The fourth proportional to 353,617.87, 487,653.46 and 237,593.72 is: 327,651.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,617.87 : 487,653.46 = 237,593.72 : x
  2. Step 2: Convert to fraction form
    353,617.87/487,653.46 = 237,593.72/x
  3. Step 3: Cross multiply
    353,617.87x = 487,653.46 × 237,593.72
  4. Step 4: Simplify right side
    353,617.87x = 115,863,399,632.27
  5. Step 5: Solve for x
    x = 115,863,399,632.27/353,617.87
  6. Step 6: Final answer
    x = 327,651.43

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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.