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Finding the Fourth Proportional to 435,994.38, 654,157.62 and 151,716.51

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Solution

The fourth proportional to 435,994.38, 654,157.62 and 151,716.51 is: 227,632.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,994.38 : 654,157.62 = 151,716.51 : x
  2. Step 2: Convert to fraction form
    435,994.38/654,157.62 = 151,716.51/x
  3. Step 3: Cross multiply
    435,994.38x = 654,157.62 × 151,716.51
  4. Step 4: Simplify right side
    435,994.38x = 99,246,511,096.31
  5. Step 5: Solve for x
    x = 99,246,511,096.31/435,994.38
  6. Step 6: Final answer
    x = 227,632.55

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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.