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Finding the Fourth Proportional to 306,694.98, 460,092.41 and 90,575.58

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Solution

The fourth proportional to 306,694.98, 460,092.41 and 90,575.58 is: 135,878.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,694.98 : 460,092.41 = 90,575.58 : x
  2. Step 2: Convert to fraction form
    306,694.98/460,092.41 = 90,575.58/x
  3. Step 3: Cross multiply
    306,694.98x = 460,092.41 × 90,575.58
  4. Step 4: Simplify right side
    306,694.98x = 41,673,136,889.35
  5. Step 5: Solve for x
    x = 41,673,136,889.35/306,694.98
  6. Step 6: Final answer
    x = 135,878.12

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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.