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Finding the Fourth Proportional to 269,792.62, 372,358.84 and 257,834.86

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Solution

The fourth proportional to 269,792.62, 372,358.84 and 257,834.86 is: 355,855.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,792.62 : 372,358.84 = 257,834.86 : x
  2. Step 2: Convert to fraction form
    269,792.62/372,358.84 = 257,834.86/x
  3. Step 3: Cross multiply
    269,792.62x = 372,358.84 × 257,834.86
  4. Step 4: Simplify right side
    269,792.62x = 96,007,087,805.68
  5. Step 5: Solve for x
    x = 96,007,087,805.68/269,792.62
  6. Step 6: Final answer
    x = 355,855.13

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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.