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Finding the Fourth Proportional to 431,474.22, 595,437.18 and 240,499.71

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Solution

The fourth proportional to 431,474.22, 595,437.18 and 240,499.71 is: 331,891.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,474.22 : 595,437.18 = 240,499.71 : x
  2. Step 2: Convert to fraction form
    431,474.22/595,437.18 = 240,499.71/x
  3. Step 3: Cross multiply
    431,474.22x = 595,437.18 × 240,499.71
  4. Step 4: Simplify right side
    431,474.22x = 143,202,469,113.22
  5. Step 5: Solve for x
    x = 143,202,469,113.22/431,474.22
  6. Step 6: Final answer
    x = 331,891.14

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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.