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Finding the Fourth Proportional to 570,109.20, 854,472.60 and 254,230.80

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Solution

The fourth proportional to 570,109.20, 854,472.60 and 254,230.80 is: 381,037.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,109.20 : 854,472.60 = 254,230.80 : x
  2. Step 2: Convert to fraction form
    570,109.20/854,472.60 = 254,230.80/x
  3. Step 3: Cross multiply
    570,109.20x = 854,472.60 × 254,230.80
  4. Step 4: Simplify right side
    570,109.20x = 217,233,252,676.08
  5. Step 5: Solve for x
    x = 217,233,252,676.08/570,109.20
  6. Step 6: Final answer
    x = 381,037.97

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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.