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Finding the Fourth Proportional to 569,885.20, 854,904.60 and 196,022.80

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Solution

The fourth proportional to 569,885.20, 854,904.60 and 196,022.80 is: 294,060.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,885.20 : 854,904.60 = 196,022.80 : x
  2. Step 2: Convert to fraction form
    569,885.20/854,904.60 = 196,022.80/x
  3. Step 3: Cross multiply
    569,885.20x = 854,904.60 × 196,022.80
  4. Step 4: Simplify right side
    569,885.20x = 167,580,793,424.88
  5. Step 5: Solve for x
    x = 167,580,793,424.88/569,885.20
  6. Step 6: Final answer
    x = 294,060.62

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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.