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Finding the Fourth Proportional to 300,900.35, 450,907.65 and 132,266.27

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Solution

The fourth proportional to 300,900.35, 450,907.65 and 132,266.27 is: 198,204.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,900.35 : 450,907.65 = 132,266.27 : x
  2. Step 2: Convert to fraction form
    300,900.35/450,907.65 = 132,266.27/x
  3. Step 3: Cross multiply
    300,900.35x = 450,907.65 × 132,266.27
  4. Step 4: Simplify right side
    300,900.35x = 59,639,872,979.97
  5. Step 5: Solve for x
    x = 59,639,872,979.97/300,900.35
  6. Step 6: Final answer
    x = 198,204.73

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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.