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Finding the Fourth Proportional to 379,556.56, 570,034.68 and 301,174.48

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Solution

The fourth proportional to 379,556.56, 570,034.68 and 301,174.48 is: 452,317.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,556.56 : 570,034.68 = 301,174.48 : x
  2. Step 2: Convert to fraction form
    379,556.56/570,034.68 = 301,174.48/x
  3. Step 3: Cross multiply
    379,556.56x = 570,034.68 × 301,174.48
  4. Step 4: Simplify right side
    379,556.56x = 171,679,898,330.97
  5. Step 5: Solve for x
    x = 171,679,898,330.97/379,556.56
  6. Step 6: Final answer
    x = 452,317.04

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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.