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Finding the Fourth Proportional to 554,657.43, 765,893.84 and 351,067.51

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Solution

The fourth proportional to 554,657.43, 765,893.84 and 351,067.51 is: 484,768.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,657.43 : 765,893.84 = 351,067.51 : x
  2. Step 2: Convert to fraction form
    554,657.43/765,893.84 = 351,067.51/x
  3. Step 3: Cross multiply
    554,657.43x = 765,893.84 × 351,067.51
  4. Step 4: Simplify right side
    554,657.43x = 268,880,439,663.07
  5. Step 5: Solve for x
    x = 268,880,439,663.07/554,657.43
  6. Step 6: Final answer
    x = 484,768.48

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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.