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Finding the Fourth Proportional to 569,641.85, 854,883.30 and 270,123.44

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Solution

The fourth proportional to 569,641.85, 854,883.30 and 270,123.44 is: 405,384.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,641.85 : 854,883.30 = 270,123.44 : x
  2. Step 2: Convert to fraction form
    569,641.85/854,883.30 = 270,123.44/x
  3. Step 3: Cross multiply
    569,641.85x = 854,883.30 × 270,123.44
  4. Step 4: Simplify right side
    569,641.85x = 230,924,013,520.14
  5. Step 5: Solve for x
    x = 230,924,013,520.14/569,641.85
  6. Step 6: Final answer
    x = 405,384.57

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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.