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Finding the Fourth Proportional to 568,269.57, 784,467.75 and 374,792.06

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Solution

The fourth proportional to 568,269.57, 784,467.75 and 374,792.06 is: 517,381.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,269.57 : 784,467.75 = 374,792.06 : x
  2. Step 2: Convert to fraction form
    568,269.57/784,467.75 = 374,792.06/x
  3. Step 3: Cross multiply
    568,269.57x = 784,467.75 × 374,792.06
  4. Step 4: Simplify right side
    568,269.57x = 294,012,284,026.07
  5. Step 5: Solve for x
    x = 294,012,284,026.07/568,269.57
  6. Step 6: Final answer
    x = 517,381.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.