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Finding the Fourth Proportional to 300,848.99, 415,174.78 and 164,879.92

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Solution

The fourth proportional to 300,848.99, 415,174.78 and 164,879.92 is: 227,536.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,848.99 : 415,174.78 = 164,879.92 : x
  2. Step 2: Convert to fraction form
    300,848.99/415,174.78 = 164,879.92/x
  3. Step 3: Cross multiply
    300,848.99x = 415,174.78 × 164,879.92
  4. Step 4: Simplify right side
    300,848.99x = 68,453,985,237.49
  5. Step 5: Solve for x
    x = 68,453,985,237.49/300,848.99
  6. Step 6: Final answer
    x = 227,536.04

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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.