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Finding the Fourth Proportional to 3,321,751.75, 4,982,627.42 and 797,407.00

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Solution

The fourth proportional to 3,321,751.75, 4,982,627.42 and 797,407.00 is: 1,196,110.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321,751.75 : 4,982,627.42 = 797,407.00 : x
  2. Step 2: Convert to fraction form
    3,321,751.75/4,982,627.42 = 797,407.00/x
  3. Step 3: Cross multiply
    3,321,751.75x = 4,982,627.42 × 797,407.00
  4. Step 4: Simplify right side
    3,321,751.75x = 3,973,181,969,646.61
  5. Step 5: Solve for x
    x = 3,973,181,969,646.61/3,321,751.75
  6. Step 6: Final answer
    x = 1,196,110.45

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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.