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Finding the Fourth Proportional to 1,169,960.22, 1,612,983.78 and 929,040.30

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Solution

The fourth proportional to 1,169,960.22, 1,612,983.78 and 929,040.30 is: 1,280,835.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169,960.22 : 1,612,983.78 = 929,040.30 : x
  2. Step 2: Convert to fraction form
    1,169,960.22/1,612,983.78 = 929,040.30/x
  3. Step 3: Cross multiply
    1,169,960.22x = 1,612,983.78 × 929,040.30
  4. Step 4: Simplify right side
    1,169,960.22x = 1,498,526,934,866.33
  5. Step 5: Solve for x
    x = 1,498,526,934,866.33/1,169,960.22
  6. Step 6: Final answer
    x = 1,280,835.80

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.