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Finding the Fourth Proportional to 452,010.72, 677,626.44 and 259,844.49

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Solution

The fourth proportional to 452,010.72, 677,626.44 and 259,844.49 is: 389,542.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,010.72 : 677,626.44 = 259,844.49 : x
  2. Step 2: Convert to fraction form
    452,010.72/677,626.44 = 259,844.49/x
  3. Step 3: Cross multiply
    452,010.72x = 677,626.44 × 259,844.49
  4. Step 4: Simplify right side
    452,010.72x = 176,077,496,712.32
  5. Step 5: Solve for x
    x = 176,077,496,712.32/452,010.72
  6. Step 6: Final answer
    x = 389,542.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.