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Finding the Fourth Proportional to 622,297.67, 858,786.82 and 350,375.15

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Solution

The fourth proportional to 622,297.67, 858,786.82 and 350,375.15 is: 483,526.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,297.67 : 858,786.82 = 350,375.15 : x
  2. Step 2: Convert to fraction form
    622,297.67/858,786.82 = 350,375.15/x
  3. Step 3: Cross multiply
    622,297.67x = 858,786.82 × 350,375.15
  4. Step 4: Simplify right side
    622,297.67x = 300,897,564,117.41
  5. Step 5: Solve for x
    x = 300,897,564,117.41/622,297.67
  6. Step 6: Final answer
    x = 483,526.74

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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.