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Finding the Fourth Proportional to 675,880.75, 932,651.63 and 403,894.49

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Solution

The fourth proportional to 675,880.75, 932,651.63 and 403,894.49 is: 557,336.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,880.75 : 932,651.63 = 403,894.49 : x
  2. Step 2: Convert to fraction form
    675,880.75/932,651.63 = 403,894.49/x
  3. Step 3: Cross multiply
    675,880.75x = 932,651.63 × 403,894.49
  4. Step 4: Simplify right side
    675,880.75x = 376,692,855,456.26
  5. Step 5: Solve for x
    x = 376,692,855,456.26/675,880.75
  6. Step 6: Final answer
    x = 557,336.27

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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.