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Finding the Fourth Proportional to 300,302.90, 414,377.01 and 179,418.50

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Solution

The fourth proportional to 300,302.90, 414,377.01 and 179,418.50 is: 247,573.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,302.90 : 414,377.01 = 179,418.50 : x
  2. Step 2: Convert to fraction form
    300,302.90/414,377.01 = 179,418.50/x
  3. Step 3: Cross multiply
    300,302.90x = 414,377.01 × 179,418.50
  4. Step 4: Simplify right side
    300,302.90x = 74,346,899,496.80
  5. Step 5: Solve for x
    x = 74,346,899,496.80/300,302.90
  6. Step 6: Final answer
    x = 247,573.04

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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.