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Finding the Fourth Proportional to 501,213.44, 751,645.13 and 201,616.31

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Solution

The fourth proportional to 501,213.44, 751,645.13 and 201,616.31 is: 302,354.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,213.44 : 751,645.13 = 201,616.31 : x
  2. Step 2: Convert to fraction form
    501,213.44/751,645.13 = 201,616.31/x
  3. Step 3: Cross multiply
    501,213.44x = 751,645.13 × 201,616.31
  4. Step 4: Simplify right side
    501,213.44x = 151,543,912,773.76
  5. Step 5: Solve for x
    x = 151,543,912,773.76/501,213.44
  6. Step 6: Final answer
    x = 302,354.05

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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.