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Finding the Fourth Proportional to 431,739.72, 595,803.06 and 240,761.16

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Solution

The fourth proportional to 431,739.72, 595,803.06 and 240,761.16 is: 332,251.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,739.72 : 595,803.06 = 240,761.16 : x
  2. Step 2: Convert to fraction form
    431,739.72/595,803.06 = 240,761.16/x
  3. Step 3: Cross multiply
    431,739.72x = 595,803.06 × 240,761.16
  4. Step 4: Simplify right side
    431,739.72x = 143,446,235,857.15
  5. Step 5: Solve for x
    x = 143,446,235,857.15/431,739.72
  6. Step 6: Final answer
    x = 332,251.65

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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.