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Finding the Fourth Proportional to 568,806.35, 785,114.78 and 336,448.54

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Solution

The fourth proportional to 568,806.35, 785,114.78 and 336,448.54 is: 464,394.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,806.35 : 785,114.78 = 336,448.54 : x
  2. Step 2: Convert to fraction form
    568,806.35/785,114.78 = 336,448.54/x
  3. Step 3: Cross multiply
    568,806.35x = 785,114.78 × 336,448.54
  4. Step 4: Simplify right side
    568,806.35x = 264,150,716,346.30
  5. Step 5: Solve for x
    x = 264,150,716,346.30/568,806.35
  6. Step 6: Final answer
    x = 464,394.81

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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.