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Finding the Fourth Proportional to 494,045.51, 681,783.30 and 267,691.01

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Solution

The fourth proportional to 494,045.51, 681,783.30 and 267,691.01 is: 369,413.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,045.51 : 681,783.30 = 267,691.01 : x
  2. Step 2: Convert to fraction form
    494,045.51/681,783.30 = 267,691.01/x
  3. Step 3: Cross multiply
    494,045.51x = 681,783.30 × 267,691.01
  4. Step 4: Simplify right side
    494,045.51x = 182,507,258,839.68
  5. Step 5: Solve for x
    x = 182,507,258,839.68/494,045.51
  6. Step 6: Final answer
    x = 369,413.86

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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.