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Finding the Fourth Proportional to 898,842.36, 1,348,555.14 and 267,761.64

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Solution

The fourth proportional to 898,842.36, 1,348,555.14 and 267,761.64 is: 401,729.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,842.36 : 1,348,555.14 = 267,761.64 : x
  2. Step 2: Convert to fraction form
    898,842.36/1,348,555.14 = 267,761.64/x
  3. Step 3: Cross multiply
    898,842.36x = 1,348,555.14 × 267,761.64
  4. Step 4: Simplify right side
    898,842.36x = 361,091,335,916.83
  5. Step 5: Solve for x
    x = 361,091,335,916.83/898,842.36
  6. Step 6: Final answer
    x = 401,729.33

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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.