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Finding the Fourth Proportional to 300,556.99, 414,765.68 and 162,735.25

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Solution

The fourth proportional to 300,556.99, 414,765.68 and 162,735.25 is: 224,573.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,556.99 : 414,765.68 = 162,735.25 : x
  2. Step 2: Convert to fraction form
    300,556.99/414,765.68 = 162,735.25/x
  3. Step 3: Cross multiply
    300,556.99x = 414,765.68 × 162,735.25
  4. Step 4: Simplify right side
    300,556.99x = 67,496,995,996.14
  5. Step 5: Solve for x
    x = 67,496,995,996.14/300,556.99
  6. Step 6: Final answer
    x = 224,573.04

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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.