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Finding the Fourth Proportional to 446,792.78, 616,578.14 and 242,844.17

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Solution

The fourth proportional to 446,792.78, 616,578.14 and 242,844.17 is: 335,127.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,792.78 : 616,578.14 = 242,844.17 : x
  2. Step 2: Convert to fraction form
    446,792.78/616,578.14 = 242,844.17/x
  3. Step 3: Cross multiply
    446,792.78x = 616,578.14 × 242,844.17
  4. Step 4: Simplify right side
    446,792.78x = 149,732,404,172.66
  5. Step 5: Solve for x
    x = 149,732,404,172.66/446,792.78
  6. Step 6: Final answer
    x = 335,127.18

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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.