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Finding the Fourth Proportional to 949,866.97, 1,311,014.33 and 873,264.73

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Solution

The fourth proportional to 949,866.97, 1,311,014.33 and 873,264.73 is: 1,205,287.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,866.97 : 1,311,014.33 = 873,264.73 : x
  2. Step 2: Convert to fraction form
    949,866.97/1,311,014.33 = 873,264.73/x
  3. Step 3: Cross multiply
    949,866.97x = 1,311,014.33 × 873,264.73
  4. Step 4: Simplify right side
    949,866.97x = 1,144,862,574,913.58
  5. Step 5: Solve for x
    x = 1,144,862,574,913.58/949,866.97
  6. Step 6: Final answer
    x = 1,205,287.28

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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.