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Finding the Fourth Proportional to 546,396.60, 819,548.82 and 308,992.44

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Solution

The fourth proportional to 546,396.60, 819,548.82 and 308,992.44 is: 463,462.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,396.60 : 819,548.82 = 308,992.44 : x
  2. Step 2: Convert to fraction form
    546,396.60/819,548.82 = 308,992.44/x
  3. Step 3: Cross multiply
    546,396.60x = 819,548.82 × 308,992.44
  4. Step 4: Simplify right side
    546,396.60x = 253,234,389,590.92
  5. Step 5: Solve for x
    x = 253,234,389,590.92/546,396.60
  6. Step 6: Final answer
    x = 463,462.60

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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.