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Finding the Fourth Proportional to 484,603.82, 668,741.70 and 269,739.26

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Solution

The fourth proportional to 484,603.82, 668,741.70 and 269,739.26 is: 372,233.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,603.82 : 668,741.70 = 269,739.26 : x
  2. Step 2: Convert to fraction form
    484,603.82/668,741.70 = 269,739.26/x
  3. Step 3: Cross multiply
    484,603.82x = 668,741.70 × 269,739.26
  4. Step 4: Simplify right side
    484,603.82x = 180,385,887,945.43
  5. Step 5: Solve for x
    x = 180,385,887,945.43/484,603.82
  6. Step 6: Final answer
    x = 372,233.73

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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.