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Finding the Fourth Proportional to 622,164.66, 858,577.70 and 350,231.73

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Solution

The fourth proportional to 622,164.66, 858,577.70 and 350,231.73 is: 483,314.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,164.66 : 858,577.70 = 350,231.73 : x
  2. Step 2: Convert to fraction form
    622,164.66/858,577.70 = 350,231.73/x
  3. Step 3: Cross multiply
    622,164.66x = 858,577.70 × 350,231.73
  4. Step 4: Simplify right side
    622,164.66x = 300,701,151,459.26
  5. Step 5: Solve for x
    x = 300,701,151,459.26/622,164.66
  6. Step 6: Final answer
    x = 483,314.42

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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.