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Finding the Fourth Proportional to 396,174.52, 546,716.22 and 214,883.20

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Solution

The fourth proportional to 396,174.52, 546,716.22 and 214,883.20 is: 296,536.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,174.52 : 546,716.22 = 214,883.20 : x
  2. Step 2: Convert to fraction form
    396,174.52/546,716.22 = 214,883.20/x
  3. Step 3: Cross multiply
    396,174.52x = 546,716.22 × 214,883.20
  4. Step 4: Simplify right side
    396,174.52x = 117,480,130,845.50
  5. Step 5: Solve for x
    x = 117,480,130,845.50/396,174.52
  6. Step 6: Final answer
    x = 296,536.31

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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.