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Finding the Fourth Proportional to 531,249.94, 733,103.22 and 289,527.31

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Solution

The fourth proportional to 531,249.94, 733,103.22 and 289,527.31 is: 399,535.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,249.94 : 733,103.22 = 289,527.31 : x
  2. Step 2: Convert to fraction form
    531,249.94/733,103.22 = 289,527.31/x
  3. Step 3: Cross multiply
    531,249.94x = 733,103.22 × 289,527.31
  4. Step 4: Simplify right side
    531,249.94x = 212,253,403,238.94
  5. Step 5: Solve for x
    x = 212,253,403,238.94/531,249.94
  6. Step 6: Final answer
    x = 399,535.86

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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.