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Finding the Fourth Proportional to 389,500.93, 582,714.42 and 295,004.17

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Solution

The fourth proportional to 389,500.93, 582,714.42 and 295,004.17 is: 441,342.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,500.93 : 582,714.42 = 295,004.17 : x
  2. Step 2: Convert to fraction form
    389,500.93/582,714.42 = 295,004.17/x
  3. Step 3: Cross multiply
    389,500.93x = 582,714.42 × 295,004.17
  4. Step 4: Simplify right side
    389,500.93x = 171,903,183,819.13
  5. Step 5: Solve for x
    x = 171,903,183,819.13/389,500.93
  6. Step 6: Final answer
    x = 441,342.17

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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.