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Finding the Fourth Proportional to 466,384.23, 699,576.35 and 129,424.91

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Solution

The fourth proportional to 466,384.23, 699,576.35 and 129,424.91 is: 194,137.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,384.23 : 699,576.35 = 129,424.91 : x
  2. Step 2: Convert to fraction form
    466,384.23/699,576.35 = 129,424.91/x
  3. Step 3: Cross multiply
    466,384.23x = 699,576.35 × 129,424.91
  4. Step 4: Simplify right side
    466,384.23x = 90,542,601,991.87
  5. Step 5: Solve for x
    x = 90,542,601,991.87/466,384.23
  6. Step 6: Final answer
    x = 194,137.36

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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.