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Finding the Fourth Proportional to 300,293.21, 414,404.62 and 164,327.19

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Solution

The fourth proportional to 300,293.21, 414,404.62 and 164,327.19 is: 226,771.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,293.21 : 414,404.62 = 164,327.19 : x
  2. Step 2: Convert to fraction form
    300,293.21/414,404.62 = 164,327.19/x
  3. Step 3: Cross multiply
    300,293.21x = 414,404.62 × 164,327.19
  4. Step 4: Simplify right side
    300,293.21x = 68,097,946,727.62
  5. Step 5: Solve for x
    x = 68,097,946,727.62/300,293.21
  6. Step 6: Final answer
    x = 226,771.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.