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Finding the Fourth Proportional to 577,667.39, 866,520.84 and 198,584.88

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Solution

The fourth proportional to 577,667.39, 866,520.84 and 198,584.88 is: 297,884.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,667.39 : 866,520.84 = 198,584.88 : x
  2. Step 2: Convert to fraction form
    577,667.39/866,520.84 = 198,584.88/x
  3. Step 3: Cross multiply
    577,667.39x = 866,520.84 × 198,584.88
  4. Step 4: Simplify right side
    577,667.39x = 172,077,937,028.90
  5. Step 5: Solve for x
    x = 172,077,937,028.90/577,667.39
  6. Step 6: Final answer
    x = 297,884.11

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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.