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Finding the Fourth Proportional to 2,569,922.22, 3,852,170.64 and 862,446.54

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Solution

The fourth proportional to 2,569,922.22, 3,852,170.64 and 862,446.54 is: 1,292,759.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,569,922.22 : 3,852,170.64 = 862,446.54 : x
  2. Step 2: Convert to fraction form
    2,569,922.22/3,852,170.64 = 862,446.54/x
  3. Step 3: Cross multiply
    2,569,922.22x = 3,852,170.64 × 862,446.54
  4. Step 4: Simplify right side
    2,569,922.22x = 3,322,291,239,957.59
  5. Step 5: Solve for x
    x = 3,322,291,239,957.59/2,569,922.22
  6. Step 6: Final answer
    x = 1,292,759.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.