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Finding the Fourth Proportional to 424,571.67, 637,010.60 and 214,051.05

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Solution

The fourth proportional to 424,571.67, 637,010.60 and 214,051.05 is: 321,153.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,571.67 : 637,010.60 = 214,051.05 : x
  2. Step 2: Convert to fraction form
    424,571.67/637,010.60 = 214,051.05/x
  3. Step 3: Cross multiply
    424,571.67x = 637,010.60 × 214,051.05
  4. Step 4: Simplify right side
    424,571.67x = 136,352,786,720.88
  5. Step 5: Solve for x
    x = 136,352,786,720.88/424,571.67
  6. Step 6: Final answer
    x = 321,153.76

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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.