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Finding the Fourth Proportional to 555,968.55, 833,636.81 and 218,826.44

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Solution

The fourth proportional to 555,968.55, 833,636.81 and 218,826.44 is: 328,115.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,968.55 : 833,636.81 = 218,826.44 : x
  2. Step 2: Convert to fraction form
    555,968.55/833,636.81 = 218,826.44/x
  3. Step 3: Cross multiply
    555,968.55x = 833,636.81 × 218,826.44
  4. Step 4: Simplify right side
    555,968.55x = 182,421,770,122.94
  5. Step 5: Solve for x
    x = 182,421,770,122.94/555,968.55
  6. Step 6: Final answer
    x = 328,115.27

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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.