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Finding the Fourth Proportional to 531,771.80, 733,847.36 and 290,059.56

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Solution

The fourth proportional to 531,771.80, 733,847.36 and 290,059.56 is: 400,283.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,771.80 : 733,847.36 = 290,059.56 : x
  2. Step 2: Convert to fraction form
    531,771.80/733,847.36 = 290,059.56/x
  3. Step 3: Cross multiply
    531,771.80x = 733,847.36 × 290,059.56
  4. Step 4: Simplify right side
    531,771.80x = 212,859,442,348.76
  5. Step 5: Solve for x
    x = 212,859,442,348.76/531,771.80
  6. Step 6: Final answer
    x = 400,283.43

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1.5x scale

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.