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Finding the Fourth Proportional to 329,647.83, 496,942.45 and 307,676.44

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Solution

The fourth proportional to 329,647.83, 496,942.45 and 307,676.44 is: 463,820.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,647.83 : 496,942.45 = 307,676.44 : x
  2. Step 2: Convert to fraction form
    329,647.83/496,942.45 = 307,676.44/x
  3. Step 3: Cross multiply
    329,647.83x = 496,942.45 × 307,676.44
  4. Step 4: Simplify right side
    329,647.83x = 152,897,483,900.88
  5. Step 5: Solve for x
    x = 152,897,483,900.88/329,647.83
  6. Step 6: Final answer
    x = 463,820.69

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.