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Finding the Fourth Proportional to 300,900.36, 450,907.64 and 132,266.28

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Solution

The fourth proportional to 300,900.36, 450,907.64 and 132,266.28 is: 198,204.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,900.36 : 450,907.64 = 132,266.28 : x
  2. Step 2: Convert to fraction form
    300,900.36/450,907.64 = 132,266.28/x
  3. Step 3: Cross multiply
    300,900.36x = 450,907.64 × 132,266.28
  4. Step 4: Simplify right side
    300,900.36x = 59,639,876,166.38
  5. Step 5: Solve for x
    x = 59,639,876,166.38/300,900.36
  6. Step 6: Final answer
    x = 198,204.74

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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.