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Finding the Fourth Proportional to 573,008.72, 859,101.39 and 269,231.58

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Solution

The fourth proportional to 573,008.72, 859,101.39 and 269,231.58 is: 403,653.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,008.72 : 859,101.39 = 269,231.58 : x
  2. Step 2: Convert to fraction form
    573,008.72/859,101.39 = 269,231.58/x
  3. Step 3: Cross multiply
    573,008.72x = 859,101.39 × 269,231.58
  4. Step 4: Simplify right side
    573,008.72x = 231,297,224,609.90
  5. Step 5: Solve for x
    x = 231,297,224,609.90/573,008.72
  6. Step 6: Final answer
    x = 403,653.94

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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.