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Finding the Fourth Proportional to 797,112, 1,099,959.48 and 448,304.64

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Solution

The fourth proportional to 797,112, 1,099,959.48 and 448,304.64 is: 618,629.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,112 : 1,099,959.48 = 448,304.64 : x
  2. Step 2: Convert to fraction form
    797,112/1,099,959.48 = 448,304.64/x
  3. Step 3: Cross multiply
    797,112x = 1,099,959.48 × 448,304.64
  4. Step 4: Simplify right side
    797,112x = 493,116,938,695.99
  5. Step 5: Solve for x
    x = 493,116,938,695.99/797,112
  6. Step 6: Final answer
    x = 618,629.43

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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.