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Finding the Fourth Proportional to 300,636.80, 450,996.60 and 101,014.22

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Solution

The fourth proportional to 300,636.80, 450,996.60 and 101,014.22 is: 151,535.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,636.80 : 450,996.60 = 101,014.22 : x
  2. Step 2: Convert to fraction form
    300,636.80/450,996.60 = 101,014.22/x
  3. Step 3: Cross multiply
    300,636.80x = 450,996.60 × 101,014.22
  4. Step 4: Simplify right side
    300,636.80x = 45,557,067,516.67
  5. Step 5: Solve for x
    x = 45,557,067,516.67/300,636.80
  6. Step 6: Final answer
    x = 151,535.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.