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Finding the Fourth Proportional to 404,109.70, 606,237.45 and 203,926.30

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Solution

The fourth proportional to 404,109.70, 606,237.45 and 203,926.30 is: 305,926.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,109.70 : 606,237.45 = 203,926.30 : x
  2. Step 2: Convert to fraction form
    404,109.70/606,237.45 = 203,926.30/x
  3. Step 3: Cross multiply
    404,109.70x = 606,237.45 × 203,926.30
  4. Step 4: Simplify right side
    404,109.70x = 123,627,760,099.94
  5. Step 5: Solve for x
    x = 123,627,760,099.94/404,109.70
  6. Step 6: Final answer
    x = 305,926.24

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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.