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Finding the Fourth Proportional to 941,744.54, 1,403,745.23 and 866,161.82

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Solution

The fourth proportional to 941,744.54, 1,403,745.23 and 866,161.82 is: 1,291,083.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,744.54 : 1,403,745.23 = 866,161.82 : x
  2. Step 2: Convert to fraction form
    941,744.54/1,403,745.23 = 866,161.82/x
  3. Step 3: Cross multiply
    941,744.54x = 1,403,745.23 × 866,161.82
  4. Step 4: Simplify right side
    941,744.54x = 1,215,870,518,902.31
  5. Step 5: Solve for x
    x = 1,215,870,518,902.31/941,744.54
  6. Step 6: Final answer
    x = 1,291,083.16

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.