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Finding the Fourth Proportional to 569,881.20, 854,898.60 and 196,018.80

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Solution

The fourth proportional to 569,881.20, 854,898.60 and 196,018.80 is: 294,054.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,881.20 : 854,898.60 = 196,018.80 : x
  2. Step 2: Convert to fraction form
    569,881.20/854,898.60 = 196,018.80/x
  3. Step 3: Cross multiply
    569,881.20x = 854,898.60 × 196,018.80
  4. Step 4: Simplify right side
    569,881.20x = 167,576,197,693.68
  5. Step 5: Solve for x
    x = 167,576,197,693.68/569,881.20
  6. Step 6: Final answer
    x = 294,054.62

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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.