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Finding the Fourth Proportional to 578,309.85, 798,067.49 and 323,661.04

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Solution

The fourth proportional to 578,309.85, 798,067.49 and 323,661.04 is: 446,652.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,309.85 : 798,067.49 = 323,661.04 : x
  2. Step 2: Convert to fraction form
    578,309.85/798,067.49 = 323,661.04/x
  3. Step 3: Cross multiply
    578,309.85x = 798,067.49 × 323,661.04
  4. Step 4: Simplify right side
    578,309.85x = 258,303,350,190.12
  5. Step 5: Solve for x
    x = 258,303,350,190.12/578,309.85
  6. Step 6: Final answer
    x = 446,652.17

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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.