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Finding the Fourth Proportional to 531,771.52, 733,847 and 290,059.28

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Solution

The fourth proportional to 531,771.52, 733,847 and 290,059.28 is: 400,283.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,771.52 : 733,847 = 290,059.28 : x
  2. Step 2: Convert to fraction form
    531,771.52/733,847 = 290,059.28/x
  3. Step 3: Cross multiply
    531,771.52x = 733,847 × 290,059.28
  4. Step 4: Simplify right side
    531,771.52x = 212,859,132,450.16
  5. Step 5: Solve for x
    x = 212,859,132,450.16/531,771.52
  6. Step 6: Final answer
    x = 400,283.06

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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.