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Finding the Fourth Proportional to 786,083.52, 1,084,662.68 and 441,874

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Solution

The fourth proportional to 786,083.52, 1,084,662.68 and 441,874 is: 609,711.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,083.52 : 1,084,662.68 = 441,874 : x
  2. Step 2: Convert to fraction form
    786,083.52/1,084,662.68 = 441,874/x
  3. Step 3: Cross multiply
    786,083.52x = 1,084,662.68 × 441,874
  4. Step 4: Simplify right side
    786,083.52x = 479,284,237,062.32
  5. Step 5: Solve for x
    x = 479,284,237,062.32/786,083.52
  6. Step 6: Final answer
    x = 609,711.60

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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.