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Finding the Fourth Proportional to 447,633.84, 670,851.84 and 219,580.80

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Solution

The fourth proportional to 447,633.84, 670,851.84 and 219,580.80 is: 329,077.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,633.84 : 670,851.84 = 219,580.80 : x
  2. Step 2: Convert to fraction form
    447,633.84/670,851.84 = 219,580.80/x
  3. Step 3: Cross multiply
    447,633.84x = 670,851.84 × 219,580.80
  4. Step 4: Simplify right side
    447,633.84x = 147,306,183,708.67
  5. Step 5: Solve for x
    x = 147,306,183,708.67/447,633.84
  6. Step 6: Final answer
    x = 329,077.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.