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Finding the Fourth Proportional to 450,589.84, 621,771.82 and 269,265.76

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Solution

The fourth proportional to 450,589.84, 621,771.82 and 269,265.76 is: 371,561.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,589.84 : 621,771.82 = 269,265.76 : x
  2. Step 2: Convert to fraction form
    450,589.84/621,771.82 = 269,265.76/x
  3. Step 3: Cross multiply
    450,589.84x = 621,771.82 × 269,265.76
  4. Step 4: Simplify right side
    450,589.84x = 167,421,861,658.88
  5. Step 5: Solve for x
    x = 167,421,861,658.88/450,589.84
  6. Step 6: Final answer
    x = 371,561.56

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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.