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Finding the Fourth Proportional to 479,604.85, 661,854.82 and 264,745.06

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Solution

The fourth proportional to 479,604.85, 661,854.82 and 264,745.06 is: 365,348.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,604.85 : 661,854.82 = 264,745.06 : x
  2. Step 2: Convert to fraction form
    479,604.85/661,854.82 = 264,745.06/x
  3. Step 3: Cross multiply
    479,604.85x = 661,854.82 × 264,745.06
  4. Step 4: Simplify right side
    479,604.85x = 175,222,794,032.19
  5. Step 5: Solve for x
    x = 175,222,794,032.19/479,604.85
  6. Step 6: Final answer
    x = 365,348.25

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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.