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Finding the Fourth Proportional to 605,568.24, 835,686.72 and 347,455.44

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Solution

The fourth proportional to 605,568.24, 835,686.72 and 347,455.44 is: 479,489.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,568.24 : 835,686.72 = 347,455.44 : x
  2. Step 2: Convert to fraction form
    605,568.24/835,686.72 = 347,455.44/x
  3. Step 3: Cross multiply
    605,568.24x = 835,686.72 × 347,455.44
  4. Step 4: Simplify right side
    605,568.24x = 290,363,896,999.76
  5. Step 5: Solve for x
    x = 290,363,896,999.76/605,568.24
  6. Step 6: Final answer
    x = 479,489.97

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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.