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Finding the Fourth Proportional to 466,343.22, 699,514.82 and 129,383.92

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Solution

The fourth proportional to 466,343.22, 699,514.82 and 129,383.92 is: 194,075.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,343.22 : 699,514.82 = 129,383.92 : x
  2. Step 2: Convert to fraction form
    466,343.22/699,514.82 = 129,383.92/x
  3. Step 3: Cross multiply
    466,343.22x = 699,514.82 × 129,383.92
  4. Step 4: Simplify right side
    466,343.22x = 90,505,968,862.77
  5. Step 5: Solve for x
    x = 90,505,968,862.77/466,343.22
  6. Step 6: Final answer
    x = 194,075.88

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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.