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Finding the Fourth Proportional to 1,367,600.06, 1,887,360.54 and 823,907

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Solution

The fourth proportional to 1,367,600.06, 1,887,360.54 and 823,907 is: 1,137,035.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367,600.06 : 1,887,360.54 = 823,907 : x
  2. Step 2: Convert to fraction form
    1,367,600.06/1,887,360.54 = 823,907/x
  3. Step 3: Cross multiply
    1,367,600.06x = 1,887,360.54 × 823,907
  4. Step 4: Simplify right side
    1,367,600.06x = 1,555,009,560,429.78
  5. Step 5: Solve for x
    x = 1,555,009,560,429.78/1,367,600.06
  6. Step 6: Final answer
    x = 1,137,035.31

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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.