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Finding the Fourth Proportional to 500,125.52, 690,175.08 and 273,792.08

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Solution

The fourth proportional to 500,125.52, 690,175.08 and 273,792.08 is: 377,834.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,125.52 : 690,175.08 = 273,792.08 : x
  2. Step 2: Convert to fraction form
    500,125.52/690,175.08 = 273,792.08/x
  3. Step 3: Cross multiply
    500,125.52x = 690,175.08 × 273,792.08
  4. Step 4: Simplify right side
    500,125.52x = 188,964,470,717.37
  5. Step 5: Solve for x
    x = 188,964,470,717.37/500,125.52
  6. Step 6: Final answer
    x = 377,834.09

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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.