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Finding the Fourth Proportional to 404,676.49, 607,387.59 and 205,136.44

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Solution

The fourth proportional to 404,676.49, 607,387.59 and 205,136.44 is: 307,893.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,676.49 : 607,387.59 = 205,136.44 : x
  2. Step 2: Convert to fraction form
    404,676.49/607,387.59 = 205,136.44/x
  3. Step 3: Cross multiply
    404,676.49x = 607,387.59 × 205,136.44
  4. Step 4: Simplify right side
    404,676.49x = 124,597,327,912.78
  5. Step 5: Solve for x
    x = 124,597,327,912.78/404,676.49
  6. Step 6: Final answer
    x = 307,893.67

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1.5x scale

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.