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Finding the Fourth Proportional to 290,497.92, 401,000.22 and 183,046.98

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Solution

The fourth proportional to 290,497.92, 401,000.22 and 183,046.98 is: 252,676.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,497.92 : 401,000.22 = 183,046.98 : x
  2. Step 2: Convert to fraction form
    290,497.92/401,000.22 = 183,046.98/x
  3. Step 3: Cross multiply
    290,497.92x = 401,000.22 × 183,046.98
  4. Step 4: Simplify right side
    290,497.92x = 73,401,879,250.34
  5. Step 5: Solve for x
    x = 73,401,879,250.34/290,497.92
  6. Step 6: Final answer
    x = 252,676.09

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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.