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Finding the Fourth Proportional to 3,859,258.88, 5,324,918.88 and 2,227,320.32

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Solution

The fourth proportional to 3,859,258.88, 5,324,918.88 and 2,227,320.32 is: 3,073,206.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,859,258.88 : 5,324,918.88 = 2,227,320.32 : x
  2. Step 2: Convert to fraction form
    3,859,258.88/5,324,918.88 = 2,227,320.32/x
  3. Step 3: Cross multiply
    3,859,258.88x = 5,324,918.88 × 2,227,320.32
  4. Step 4: Simplify right side
    3,859,258.88x = 11,860,300,023,775.64
  5. Step 5: Solve for x
    x = 11,860,300,023,775.64/3,859,258.88
  6. Step 6: Final answer
    x = 3,073,206.64

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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.