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Finding the Fourth Proportional to 501,024.80, 751,537.20 and 451,161.20

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Solution

The fourth proportional to 501,024.80, 751,537.20 and 451,161.20 is: 676,741.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,024.80 : 751,537.20 = 451,161.20 : x
  2. Step 2: Convert to fraction form
    501,024.80/751,537.20 = 451,161.20/x
  3. Step 3: Cross multiply
    501,024.80x = 751,537.20 × 451,161.20
  4. Step 4: Simplify right side
    501,024.80x = 339,064,424,996.64
  5. Step 5: Solve for x
    x = 339,064,424,996.64/501,024.80
  6. Step 6: Final answer
    x = 676,741.80

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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.