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Finding the Fourth Proportional to 431,903.18, 596,039.01 and 240,912.44

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Solution

The fourth proportional to 431,903.18, 596,039.01 and 240,912.44 is: 332,466.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,903.18 : 596,039.01 = 240,912.44 : x
  2. Step 2: Convert to fraction form
    431,903.18/596,039.01 = 240,912.44/x
  3. Step 3: Cross multiply
    431,903.18x = 596,039.01 × 240,912.44
  4. Step 4: Simplify right side
    431,903.18x = 143,593,212,234.28
  5. Step 5: Solve for x
    x = 143,593,212,234.28/431,903.18
  6. Step 6: Final answer
    x = 332,466.21

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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.