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Finding the Fourth Proportional to 273,920.84, 410,179.80 and 189,564.20

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Solution

The fourth proportional to 273,920.84, 410,179.80 and 189,564.20 is: 283,860.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,920.84 : 410,179.80 = 189,564.20 : x
  2. Step 2: Convert to fraction form
    273,920.84/410,179.80 = 189,564.20/x
  3. Step 3: Cross multiply
    273,920.84x = 410,179.80 × 189,564.20
  4. Step 4: Simplify right side
    273,920.84x = 77,755,405,643.16
  5. Step 5: Solve for x
    x = 77,755,405,643.16/273,920.84
  6. Step 6: Final answer
    x = 283,860.86

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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.