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Finding the Fourth Proportional to 606,801.31, 910,607.96 and 251,815.32

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Solution

The fourth proportional to 606,801.31, 910,607.96 and 251,815.32 is: 377,891.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,801.31 : 910,607.96 = 251,815.32 : x
  2. Step 2: Convert to fraction form
    606,801.31/910,607.96 = 251,815.32/x
  3. Step 3: Cross multiply
    606,801.31x = 910,607.96 × 251,815.32
  4. Step 4: Simplify right side
    606,801.31x = 229,305,034,841.95
  5. Step 5: Solve for x
    x = 229,305,034,841.95/606,801.31
  6. Step 6: Final answer
    x = 377,891.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.