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Finding the Fourth Proportional to 300,642.83, 414,893.07 and 164,676.77

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Solution

The fourth proportional to 300,642.83, 414,893.07 and 164,676.77 is: 227,257.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,642.83 : 414,893.07 = 164,676.77 : x
  2. Step 2: Convert to fraction form
    300,642.83/414,893.07 = 164,676.77/x
  3. Step 3: Cross multiply
    300,642.83x = 414,893.07 × 164,676.77
  4. Step 4: Simplify right side
    300,642.83x = 68,323,250,662.98
  5. Step 5: Solve for x
    x = 68,323,250,662.98/300,642.83
  6. Step 6: Final answer
    x = 227,257.21

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1.5x scale

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.