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Finding the Fourth Proportional to 300,577.40, 414,696.11 and 173,250.26

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Solution

The fourth proportional to 300,577.40, 414,696.11 and 173,250.26 is: 239,027.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,577.40 : 414,696.11 = 173,250.26 : x
  2. Step 2: Convert to fraction form
    300,577.40/414,696.11 = 173,250.26/x
  3. Step 3: Cross multiply
    300,577.40x = 414,696.11 × 173,250.26
  4. Step 4: Simplify right side
    300,577.40x = 71,846,208,878.49
  5. Step 5: Solve for x
    x = 71,846,208,878.49/300,577.40
  6. Step 6: Final answer
    x = 239,027.32

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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.