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Finding the Fourth Proportional to 605,549.92, 835,659.12 and 351,048.64

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Solution

The fourth proportional to 605,549.92, 835,659.12 and 351,048.64 is: 484,447.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,549.92 : 835,659.12 = 351,048.64 : x
  2. Step 2: Convert to fraction form
    605,549.92/835,659.12 = 351,048.64/x
  3. Step 3: Cross multiply
    605,549.92x = 835,659.12 × 351,048.64
  4. Step 4: Simplify right side
    605,549.92x = 293,356,997,579.60
  5. Step 5: Solve for x
    x = 293,356,997,579.60/605,549.92
  6. Step 6: Final answer
    x = 484,447.26

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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.