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Finding the Fourth Proportional to 544,709.30, 751,687.74 and 302,986.67

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Solution

The fourth proportional to 544,709.30, 751,687.74 and 302,986.67 is: 418,115.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,709.30 : 751,687.74 = 302,986.67 : x
  2. Step 2: Convert to fraction form
    544,709.30/751,687.74 = 302,986.67/x
  3. Step 3: Cross multiply
    544,709.30x = 751,687.74 × 302,986.67
  4. Step 4: Simplify right side
    544,709.30x = 227,751,361,463.99
  5. Step 5: Solve for x
    x = 227,751,361,463.99/544,709.30
  6. Step 6: Final answer
    x = 418,115.43

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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.