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Finding the Fourth Proportional to 300,537.60, 450,090.75 and 173,910.90

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Solution

The fourth proportional to 300,537.60, 450,090.75 and 173,910.90 is: 260,452.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,537.60 : 450,090.75 = 173,910.90 : x
  2. Step 2: Convert to fraction form
    300,537.60/450,090.75 = 173,910.90/x
  3. Step 3: Cross multiply
    300,537.60x = 450,090.75 × 173,910.90
  4. Step 4: Simplify right side
    300,537.60x = 78,275,687,414.18
  5. Step 5: Solve for x
    x = 78,275,687,414.18/300,537.60
  6. Step 6: Final answer
    x = 260,452.23

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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.