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Finding the Fourth Proportional to 328,893.82, 453,873.50 and 177,990.82

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Solution

The fourth proportional to 328,893.82, 453,873.50 and 177,990.82 is: 245,627.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,893.82 : 453,873.50 = 177,990.82 : x
  2. Step 2: Convert to fraction form
    328,893.82/453,873.50 = 177,990.82/x
  3. Step 3: Cross multiply
    328,893.82x = 453,873.50 × 177,990.82
  4. Step 4: Simplify right side
    328,893.82x = 80,785,315,551.32
  5. Step 5: Solve for x
    x = 80,785,315,551.32/328,893.82
  6. Step 6: Final answer
    x = 245,627.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.