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Finding the Fourth Proportional to 382,887.50, 573,328.02 and 269,956.40

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Solution

The fourth proportional to 382,887.50, 573,328.02 and 269,956.40 is: 404,227.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,887.50 : 573,328.02 = 269,956.40 : x
  2. Step 2: Convert to fraction form
    382,887.50/573,328.02 = 269,956.40/x
  3. Step 3: Cross multiply
    382,887.50x = 573,328.02 × 269,956.40
  4. Step 4: Simplify right side
    382,887.50x = 154,773,568,298.33
  5. Step 5: Solve for x
    x = 154,773,568,298.33/382,887.50
  6. Step 6: Final answer
    x = 404,227.27

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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.