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Finding the Fourth Proportional to 961,992.31, 1,326,970.97 and 635,308.32

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Solution

The fourth proportional to 961,992.31, 1,326,970.97 and 635,308.32 is: 876,343.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,992.31 : 1,326,970.97 = 635,308.32 : x
  2. Step 2: Convert to fraction form
    961,992.31/1,326,970.97 = 635,308.32/x
  3. Step 3: Cross multiply
    961,992.31x = 1,326,970.97 × 635,308.32
  4. Step 4: Simplify right side
    961,992.31x = 843,035,694,462.93
  5. Step 5: Solve for x
    x = 843,035,694,462.93/961,992.31
  6. Step 6: Final answer
    x = 876,343.49

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.