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Finding the Fourth Proportional to 531,809.66, 733,896.11 and 290,092.22

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Solution

The fourth proportional to 531,809.66, 733,896.11 and 290,092.22 is: 400,326.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,809.66 : 733,896.11 = 290,092.22 : x
  2. Step 2: Convert to fraction form
    531,809.66/733,896.11 = 290,092.22/x
  3. Step 3: Cross multiply
    531,809.66x = 733,896.11 × 290,092.22
  4. Step 4: Simplify right side
    531,809.66x = 212,897,548,855.01
  5. Step 5: Solve for x
    x = 212,897,548,855.01/531,809.66
  6. Step 6: Final answer
    x = 400,326.59

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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.