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Finding the Fourth Proportional to 648,842.43, 973,612.22 and 270,024.33

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Solution

The fourth proportional to 648,842.43, 973,612.22 and 270,024.33 is: 405,181.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,842.43 : 973,612.22 = 270,024.33 : x
  2. Step 2: Convert to fraction form
    648,842.43/973,612.22 = 270,024.33/x
  3. Step 3: Cross multiply
    648,842.43x = 973,612.22 × 270,024.33
  4. Step 4: Simplify right side
    648,842.43x = 262,898,987,385.31
  5. Step 5: Solve for x
    x = 262,898,987,385.31/648,842.43
  6. Step 6: Final answer
    x = 405,181.56

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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.