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Finding the Fourth Proportional to 570,103.20, 854,463.60 and 254,224.80

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Solution

The fourth proportional to 570,103.20, 854,463.60 and 254,224.80 is: 381,028.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,103.20 : 854,463.60 = 254,224.80 : x
  2. Step 2: Convert to fraction form
    570,103.20/854,463.60 = 254,224.80/x
  3. Step 3: Cross multiply
    570,103.20x = 854,463.60 × 254,224.80
  4. Step 4: Simplify right side
    570,103.20x = 217,225,837,817.28
  5. Step 5: Solve for x
    x = 217,225,837,817.28/570,103.20
  6. Step 6: Final answer
    x = 381,028.97

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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.