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Finding the Fourth Proportional to 300,466.68, 450,554.22 and 150,642.60

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Solution

The fourth proportional to 300,466.68, 450,554.22 and 150,642.60 is: 225,890.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,466.68 : 450,554.22 = 150,642.60 : x
  2. Step 2: Convert to fraction form
    300,466.68/450,554.22 = 150,642.60/x
  3. Step 3: Cross multiply
    300,466.68x = 450,554.22 × 150,642.60
  4. Step 4: Simplify right side
    300,466.68x = 67,872,659,141.77
  5. Step 5: Solve for x
    x = 67,872,659,141.77/300,466.68
  6. Step 6: Final answer
    x = 225,890.80

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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.