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Finding the Fourth Proportional to 328,755, 453,682.44 and 177,852

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Solution

The fourth proportional to 328,755, 453,682.44 and 177,852 is: 245,436.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,755 : 453,682.44 = 177,852 : x
  2. Step 2: Convert to fraction form
    328,755/453,682.44 = 177,852/x
  3. Step 3: Cross multiply
    328,755x = 453,682.44 × 177,852
  4. Step 4: Simplify right side
    328,755x = 80,688,329,318.88
  5. Step 5: Solve for x
    x = 80,688,329,318.88/328,755
  6. Step 6: Final answer
    x = 245,436.05

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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.