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Finding the Fourth Proportional to 531,469.44, 733,406.22 and 289,747.26

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Solution

The fourth proportional to 531,469.44, 733,406.22 and 289,747.26 is: 399,839.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,469.44 : 733,406.22 = 289,747.26 : x
  2. Step 2: Convert to fraction form
    531,469.44/733,406.22 = 289,747.26/x
  3. Step 3: Cross multiply
    531,469.44x = 733,406.22 × 289,747.26
  4. Step 4: Simplify right side
    531,469.44x = 212,502,442,711.96
  5. Step 5: Solve for x
    x = 212,502,442,711.96/531,469.44
  6. Step 6: Final answer
    x = 399,839.44

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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.