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Finding the Fourth Proportional to 454,170.44, 626,724.96 and 263,149.76

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Solution

The fourth proportional to 454,170.44, 626,724.96 and 263,149.76 is: 363,129.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,170.44 : 626,724.96 = 263,149.76 : x
  2. Step 2: Convert to fraction form
    454,170.44/626,724.96 = 263,149.76/x
  3. Step 3: Cross multiply
    454,170.44x = 626,724.96 × 263,149.76
  4. Step 4: Simplify right side
    454,170.44x = 164,922,522,810.01
  5. Step 5: Solve for x
    x = 164,922,522,810.01/454,170.44
  6. Step 6: Final answer
    x = 363,129.14

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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.