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Finding the Fourth Proportional to 2,959,961.02, 4,440,098.25 and 938,362.64

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Solution

The fourth proportional to 2,959,961.02, 4,440,098.25 and 938,362.64 is: 1,407,593.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,959,961.02 : 4,440,098.25 = 938,362.64 : x
  2. Step 2: Convert to fraction form
    2,959,961.02/4,440,098.25 = 938,362.64/x
  3. Step 3: Cross multiply
    2,959,961.02x = 4,440,098.25 × 938,362.64
  4. Step 4: Simplify right side
    2,959,961.02x = 4,166,422,315,729.38
  5. Step 5: Solve for x
    x = 4,166,422,315,729.38/2,959,961.02
  6. Step 6: Final answer
    x = 1,407,593.64

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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.