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Finding the Fourth Proportional to 328,893.73, 453,873.35 and 177,990.73

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Solution

The fourth proportional to 328,893.73, 453,873.35 and 177,990.73 is: 245,627.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,893.73 : 453,873.35 = 177,990.73 : x
  2. Step 2: Convert to fraction form
    328,893.73/453,873.35 = 177,990.73/x
  3. Step 3: Cross multiply
    328,893.73x = 453,873.35 × 177,990.73
  4. Step 4: Simplify right side
    328,893.73x = 80,785,248,204.34
  5. Step 5: Solve for x
    x = 80,785,248,204.34/328,893.73
  6. Step 6: Final answer
    x = 245,627.21

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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.