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Finding the Fourth Proportional to 389,537.24, 582,768.56 and 295,039.72

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Solution

The fourth proportional to 389,537.24, 582,768.56 and 295,039.72 is: 441,395.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,537.24 : 582,768.56 = 295,039.72 : x
  2. Step 2: Convert to fraction form
    389,537.24/582,768.56 = 295,039.72/x
  3. Step 3: Cross multiply
    389,537.24x = 582,768.56 × 295,039.72
  4. Step 4: Simplify right side
    389,537.24x = 171,939,872,767.20
  5. Step 5: Solve for x
    x = 171,939,872,767.20/389,537.24
  6. Step 6: Final answer
    x = 441,395.21

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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.