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Finding the Fourth Proportional to 328,405, 453,199.44 and 177,502

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Solution

The fourth proportional to 328,405, 453,199.44 and 177,502 is: 244,953.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,405 : 453,199.44 = 177,502 : x
  2. Step 2: Convert to fraction form
    328,405/453,199.44 = 177,502/x
  3. Step 3: Cross multiply
    328,405x = 453,199.44 × 177,502
  4. Step 4: Simplify right side
    328,405x = 80,443,806,998.88
  5. Step 5: Solve for x
    x = 80,443,806,998.88/328,405
  6. Step 6: Final answer
    x = 244,953.05

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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.