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Finding the Fourth Proportional to 301,087.94, 449,305.25 and 267,541.18

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Solution

The fourth proportional to 301,087.94, 449,305.25 and 267,541.18 is: 399,244.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,087.94 : 449,305.25 = 267,541.18 : x
  2. Step 2: Convert to fraction form
    301,087.94/449,305.25 = 267,541.18/x
  3. Step 3: Cross multiply
    301,087.94x = 449,305.25 × 267,541.18
  4. Step 4: Simplify right side
    301,087.94x = 120,207,656,561.61
  5. Step 5: Solve for x
    x = 120,207,656,561.61/301,087.94
  6. Step 6: Final answer
    x = 399,244.35

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.