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Finding the Fourth Proportional to 569,860.20, 854,867.10 and 195,997.80

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Solution

The fourth proportional to 569,860.20, 854,867.10 and 195,997.80 is: 294,023.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,860.20 : 854,867.10 = 195,997.80 : x
  2. Step 2: Convert to fraction form
    569,860.20/854,867.10 = 195,997.80/x
  3. Step 3: Cross multiply
    569,860.20x = 854,867.10 × 195,997.80
  4. Step 4: Simplify right side
    569,860.20x = 167,552,070,892.38
  5. Step 5: Solve for x
    x = 167,552,070,892.38/569,860.20
  6. Step 6: Final answer
    x = 294,023.11

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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.