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Finding the Fourth Proportional to 622,403.94, 858,999.29 and 350,524.98

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Solution

The fourth proportional to 622,403.94, 858,999.29 and 350,524.98 is: 483,770.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,403.94 : 858,999.29 = 350,524.98 : x
  2. Step 2: Convert to fraction form
    622,403.94/858,999.29 = 350,524.98/x
  3. Step 3: Cross multiply
    622,403.94x = 858,999.29 × 350,524.98
  4. Step 4: Simplify right side
    622,403.94x = 301,100,710,218.45
  5. Step 5: Solve for x
    x = 301,100,710,218.45/622,403.94
  6. Step 6: Final answer
    x = 483,770.57

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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.