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Finding the Fourth Proportional to 431,912.67, 596,052.15 and 240,921.96

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Solution

The fourth proportional to 431,912.67, 596,052.15 and 240,921.96 is: 332,479.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,912.67 : 596,052.15 = 240,921.96 : x
  2. Step 2: Convert to fraction form
    431,912.67/596,052.15 = 240,921.96/x
  3. Step 3: Cross multiply
    431,912.67x = 596,052.15 × 240,921.96
  4. Step 4: Simplify right side
    431,912.67x = 143,602,052,240.21
  5. Step 5: Solve for x
    x = 143,602,052,240.21/431,912.67
  6. Step 6: Final answer
    x = 332,479.37

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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.