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Finding the Fourth Proportional to 605,334.61, 835,288.62 and 347,198.18

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Solution

The fourth proportional to 605,334.61, 835,288.62 and 347,198.18 is: 479,091.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,334.61 : 835,288.62 = 347,198.18 : x
  2. Step 2: Convert to fraction form
    605,334.61/835,288.62 = 347,198.18/x
  3. Step 3: Cross multiply
    605,334.61x = 835,288.62 × 347,198.18
  4. Step 4: Simplify right side
    605,334.61x = 290,010,688,638.71
  5. Step 5: Solve for x
    x = 290,010,688,638.71/605,334.61
  6. Step 6: Final answer
    x = 479,091.54

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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.