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Finding the Fourth Proportional to 569,898.20, 854,156.10 and 254,019.80

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Solution

The fourth proportional to 569,898.20, 854,156.10 and 254,019.80 is: 380,721.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,898.20 : 854,156.10 = 254,019.80 : x
  2. Step 2: Convert to fraction form
    569,898.20/854,156.10 = 254,019.80/x
  3. Step 3: Cross multiply
    569,898.20x = 854,156.10 × 254,019.80
  4. Step 4: Simplify right side
    569,898.20x = 216,972,561,690.78
  5. Step 5: Solve for x
    x = 216,972,561,690.78/569,898.20
  6. Step 6: Final answer
    x = 380,721.61

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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.