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Finding the Fourth Proportional to 466,645.26, 699,968.36 and 129,685.98

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Solution

The fourth proportional to 466,645.26, 699,968.36 and 129,685.98 is: 194,529.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,645.26 : 699,968.36 = 129,685.98 : x
  2. Step 2: Convert to fraction form
    466,645.26/699,968.36 = 129,685.98/x
  3. Step 3: Cross multiply
    466,645.26x = 699,968.36 × 129,685.98
  4. Step 4: Simplify right side
    466,645.26x = 90,776,082,735.59
  5. Step 5: Solve for x
    x = 90,776,082,735.59/466,645.26
  6. Step 6: Final answer
    x = 194,529.10

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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.