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Finding the Fourth Proportional to 431,183.45, 595,033.49 and 240,197.30

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Solution

The fourth proportional to 431,183.45, 595,033.49 and 240,197.30 is: 331,472.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,183.45 : 595,033.49 = 240,197.30 : x
  2. Step 2: Convert to fraction form
    431,183.45/595,033.49 = 240,197.30/x
  3. Step 3: Cross multiply
    431,183.45x = 595,033.49 × 240,197.30
  4. Step 4: Simplify right side
    431,183.45x = 142,925,437,564.28
  5. Step 5: Solve for x
    x = 142,925,437,564.28/431,183.45
  6. Step 6: Final answer
    x = 331,472.46

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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.