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Finding the Fourth Proportional to 489,092.55, 674,954.62 and 295,473.34

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Solution

The fourth proportional to 489,092.55, 674,954.62 and 295,473.34 is: 407,757.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,092.55 : 674,954.62 = 295,473.34 : x
  2. Step 2: Convert to fraction form
    489,092.55/674,954.62 = 295,473.34/x
  3. Step 3: Cross multiply
    489,092.55x = 674,954.62 × 295,473.34
  4. Step 4: Simplify right side
    489,092.55x = 199,431,099,585.19
  5. Step 5: Solve for x
    x = 199,431,099,585.19/489,092.55
  6. Step 6: Final answer
    x = 407,757.38

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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.