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Finding the Fourth Proportional to 328,873.38, 453,845.26 and 177,970.38

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Solution

The fourth proportional to 328,873.38, 453,845.26 and 177,970.38 is: 245,599.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,873.38 : 453,845.26 = 177,970.38 : x
  2. Step 2: Convert to fraction form
    328,873.38/453,845.26 = 177,970.38/x
  3. Step 3: Cross multiply
    328,873.38x = 453,845.26 × 177,970.38
  4. Step 4: Simplify right side
    328,873.38x = 80,771,013,383.40
  5. Step 5: Solve for x
    x = 80,771,013,383.40/328,873.38
  6. Step 6: Final answer
    x = 245,599.12

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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.