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Finding the Fourth Proportional to 300,415.98, 450,637.78 and 167,195.86

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Solution

The fourth proportional to 300,415.98, 450,637.78 and 167,195.86 is: 250,801.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,415.98 : 450,637.78 = 167,195.86 : x
  2. Step 2: Convert to fraction form
    300,415.98/450,637.78 = 167,195.86/x
  3. Step 3: Cross multiply
    300,415.98x = 450,637.78 × 167,195.86
  4. Step 4: Simplify right side
    300,415.98x = 75,344,771,175.59
  5. Step 5: Solve for x
    x = 75,344,771,175.59/300,415.98
  6. Step 6: Final answer
    x = 250,801.48

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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.