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Finding the Fourth Proportional to 622,351, 858,793.35 and 350,331.94

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Solution

The fourth proportional to 622,351, 858,793.35 and 350,331.94 is: 483,429.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,351 : 858,793.35 = 350,331.94 : x
  2. Step 2: Convert to fraction form
    622,351/858,793.35 = 350,331.94/x
  3. Step 3: Cross multiply
    622,351x = 858,793.35 × 350,331.94
  4. Step 4: Simplify right side
    622,351x = 300,862,740,364.60
  5. Step 5: Solve for x
    x = 300,862,740,364.60/622,351
  6. Step 6: Final answer
    x = 483,429.35

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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.