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Finding the Fourth Proportional to 311,707.32, 467,444.34 and 245,922.36

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Solution

The fourth proportional to 311,707.32, 467,444.34 and 245,922.36 is: 368,791.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,707.32 : 467,444.34 = 245,922.36 : x
  2. Step 2: Convert to fraction form
    311,707.32/467,444.34 = 245,922.36/x
  3. Step 3: Cross multiply
    311,707.32x = 467,444.34 × 245,922.36
  4. Step 4: Simplify right side
    311,707.32x = 114,955,015,261.44
  5. Step 5: Solve for x
    x = 114,955,015,261.44/311,707.32
  6. Step 6: Final answer
    x = 368,791.52

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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.