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Finding the Fourth Proportional to 460,954.58, 635,891.18 and 308,030.31

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Solution

The fourth proportional to 460,954.58, 635,891.18 and 308,030.31 is: 424,930.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,954.58 : 635,891.18 = 308,030.31 : x
  2. Step 2: Convert to fraction form
    460,954.58/635,891.18 = 308,030.31/x
  3. Step 3: Cross multiply
    460,954.58x = 635,891.18 × 308,030.31
  4. Step 4: Simplify right side
    460,954.58x = 195,873,755,761.51
  5. Step 5: Solve for x
    x = 195,873,755,761.51/460,954.58
  6. Step 6: Final answer
    x = 424,930.71

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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.