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Finding the Fourth Proportional to 328,142.56, 452,837.04 and 177,239.56

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Solution

The fourth proportional to 328,142.56, 452,837.04 and 177,239.56 is: 244,590.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,142.56 : 452,837.04 = 177,239.56 : x
  2. Step 2: Convert to fraction form
    328,142.56/452,837.04 = 177,239.56/x
  3. Step 3: Cross multiply
    328,142.56x = 452,837.04 × 177,239.56
  4. Step 4: Simplify right side
    328,142.56x = 80,260,637,721.30
  5. Step 5: Solve for x
    x = 80,260,637,721.30/328,142.56
  6. Step 6: Final answer
    x = 244,590.76

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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.