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Finding the Fourth Proportional to 577,982.17, 866,758.17 and 198,796.45

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Solution

The fourth proportional to 577,982.17, 866,758.17 and 198,796.45 is: 298,120.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,982.17 : 866,758.17 = 198,796.45 : x
  2. Step 2: Convert to fraction form
    577,982.17/866,758.17 = 198,796.45/x
  3. Step 3: Cross multiply
    577,982.17x = 866,758.17 × 198,796.45
  4. Step 4: Simplify right side
    577,982.17x = 172,308,447,204.50
  5. Step 5: Solve for x
    x = 172,308,447,204.50/577,982.17
  6. Step 6: Final answer
    x = 298,120.70

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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.