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Finding the Fourth Proportional to 352,323.84, 485,535.69 and 345,846.06

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Solution

The fourth proportional to 352,323.84, 485,535.69 and 345,846.06 is: 476,608.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,323.84 : 485,535.69 = 345,846.06 : x
  2. Step 2: Convert to fraction form
    352,323.84/485,535.69 = 345,846.06/x
  3. Step 3: Cross multiply
    352,323.84x = 485,535.69 × 345,846.06
  4. Step 4: Simplify right side
    352,323.84x = 167,920,605,375.88
  5. Step 5: Solve for x
    x = 167,920,605,375.88/352,323.84
  6. Step 6: Final answer
    x = 476,608.69

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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.