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Finding the Fourth Proportional to 893,347.26, 1,232,894.79 and 491,022.78

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Solution

The fourth proportional to 893,347.26, 1,232,894.79 and 491,022.78 is: 677,652.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,347.26 : 1,232,894.79 = 491,022.78 : x
  2. Step 2: Convert to fraction form
    893,347.26/1,232,894.79 = 491,022.78/x
  3. Step 3: Cross multiply
    893,347.26x = 1,232,894.79 × 491,022.78
  4. Step 4: Simplify right side
    893,347.26x = 605,379,427,233.32
  5. Step 5: Solve for x
    x = 605,379,427,233.32/893,347.26
  6. Step 6: Final answer
    x = 677,652.97

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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.