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Finding the Fourth Proportional to 300,874.26, 448,659.63 and 298,176.05

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Solution

The fourth proportional to 300,874.26, 448,659.63 and 298,176.05 is: 444,636.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,874.26 : 448,659.63 = 298,176.05 : x
  2. Step 2: Convert to fraction form
    300,874.26/448,659.63 = 298,176.05/x
  3. Step 3: Cross multiply
    300,874.26x = 448,659.63 × 298,176.05
  4. Step 4: Simplify right side
    300,874.26x = 133,779,554,770.00
  5. Step 5: Solve for x
    x = 133,779,554,770.00/300,874.26
  6. Step 6: Final answer
    x = 444,636.10

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.