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Finding the Fourth Proportional to 1,265,783.04, 1,747,029.59 and 959,324.88

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Solution

The fourth proportional to 1,265,783.04, 1,747,029.59 and 959,324.88 is: 1,324,057.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,783.04 : 1,747,029.59 = 959,324.88 : x
  2. Step 2: Convert to fraction form
    1,265,783.04/1,747,029.59 = 959,324.88/x
  3. Step 3: Cross multiply
    1,265,783.04x = 1,747,029.59 × 959,324.88
  4. Step 4: Simplify right side
    1,265,783.04x = 1,675,968,951,783.20
  5. Step 5: Solve for x
    x = 1,675,968,951,783.20/1,265,783.04
  6. Step 6: Final answer
    x = 1,324,057.05

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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.