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Finding the Fourth Proportional to 300,418.92, 414,597.96 and 173,102.58

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Solution

The fourth proportional to 300,418.92, 414,597.96 and 173,102.58 is: 238,893.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,418.92 : 414,597.96 = 173,102.58 : x
  2. Step 2: Convert to fraction form
    300,418.92/414,597.96 = 173,102.58/x
  3. Step 3: Cross multiply
    300,418.92x = 414,597.96 × 173,102.58
  4. Step 4: Simplify right side
    300,418.92x = 71,767,976,538.74
  5. Step 5: Solve for x
    x = 71,767,976,538.74/300,418.92
  6. Step 6: Final answer
    x = 238,893.00

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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.