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Finding the Fourth Proportional to 382,749.72, 575,174.34 and 361,010.94

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Solution

The fourth proportional to 382,749.72, 575,174.34 and 361,010.94 is: 542,506.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,749.72 : 575,174.34 = 361,010.94 : x
  2. Step 2: Convert to fraction form
    382,749.72/575,174.34 = 361,010.94/x
  3. Step 3: Cross multiply
    382,749.72x = 575,174.34 × 361,010.94
  4. Step 4: Simplify right side
    382,749.72x = 207,644,229,147.28
  5. Step 5: Solve for x
    x = 207,644,229,147.28/382,749.72
  6. Step 6: Final answer
    x = 542,506.55

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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.