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Finding the Fourth Proportional to 531,757.73, 733,834.43 and 290,040.32

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Solution

The fourth proportional to 531,757.73, 733,834.43 and 290,040.32 is: 400,260.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,757.73 : 733,834.43 = 290,040.32 : x
  2. Step 2: Convert to fraction form
    531,757.73/733,834.43 = 290,040.32/x
  3. Step 3: Cross multiply
    531,757.73x = 733,834.43 × 290,040.32
  4. Step 4: Simplify right side
    531,757.73x = 212,841,567,784.84
  5. Step 5: Solve for x
    x = 212,841,567,784.84/531,757.73
  6. Step 6: Final answer
    x = 400,260.42

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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.