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Finding the Fourth Proportional to 546,181.38, 818,703.22 and 305,942.96

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Solution

The fourth proportional to 546,181.38, 818,703.22 and 305,942.96 is: 458,595.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,181.38 : 818,703.22 = 305,942.96 : x
  2. Step 2: Convert to fraction form
    546,181.38/818,703.22 = 305,942.96/x
  3. Step 3: Cross multiply
    546,181.38x = 818,703.22 × 305,942.96
  4. Step 4: Simplify right side
    546,181.38x = 250,476,488,053.04
  5. Step 5: Solve for x
    x = 250,476,488,053.04/546,181.38
  6. Step 6: Final answer
    x = 458,595.80

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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.