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Finding the Fourth Proportional to 2,054,562.78, 2,835,306.30 and 1,149,144.78

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Solution

The fourth proportional to 2,054,562.78, 2,835,306.30 and 1,149,144.78 is: 1,585,825.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,054,562.78 : 2,835,306.30 = 1,149,144.78 : x
  2. Step 2: Convert to fraction form
    2,054,562.78/2,835,306.30 = 1,149,144.78/x
  3. Step 3: Cross multiply
    2,054,562.78x = 2,835,306.30 × 1,149,144.78
  4. Step 4: Simplify right side
    2,054,562.78x = 3,258,177,434,346.11
  5. Step 5: Solve for x
    x = 3,258,177,434,346.11/2,054,562.78
  6. Step 6: Final answer
    x = 1,585,825.20

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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.