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Finding the Fourth Proportional to 328,395.11, 453,186.05 and 177,492.11

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Solution

The fourth proportional to 328,395.11, 453,186.05 and 177,492.11 is: 244,939.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,395.11 : 453,186.05 = 177,492.11 : x
  2. Step 2: Convert to fraction form
    328,395.11/453,186.05 = 177,492.11/x
  3. Step 3: Cross multiply
    328,395.11x = 453,186.05 × 177,492.11
  4. Step 4: Simplify right side
    328,395.11x = 80,436,945,083.67
  5. Step 5: Solve for x
    x = 80,436,945,083.67/328,395.11
  6. Step 6: Final answer
    x = 244,939.54

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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.