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Finding the Fourth Proportional to 389,499.93, 582,712.92 and 295,003.17

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Solution

The fourth proportional to 389,499.93, 582,712.92 and 295,003.17 is: 441,340.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,499.93 : 582,712.92 = 295,003.17 : x
  2. Step 2: Convert to fraction form
    389,499.93/582,712.92 = 295,003.17/x
  3. Step 3: Cross multiply
    389,499.93x = 582,712.92 × 295,003.17
  4. Step 4: Simplify right side
    389,499.93x = 171,902,158,599.96
  5. Step 5: Solve for x
    x = 171,902,158,599.96/389,499.93
  6. Step 6: Final answer
    x = 441,340.67

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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.