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Finding the Fourth Proportional to 342,356.22, 513,618.37 and 241,351.65

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Solution

The fourth proportional to 342,356.22, 513,618.37 and 241,351.65 is: 362,086.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,356.22 : 513,618.37 = 241,351.65 : x
  2. Step 2: Convert to fraction form
    342,356.22/513,618.37 = 241,351.65/x
  3. Step 3: Cross multiply
    342,356.22x = 513,618.37 × 241,351.65
  4. Step 4: Simplify right side
    342,356.22x = 123,962,640,466.43
  5. Step 5: Solve for x
    x = 123,962,640,466.43/342,356.22
  6. Step 6: Final answer
    x = 362,086.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.