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Finding the Fourth Proportional to 328,191, 452,903.58 and 177,288

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Solution

The fourth proportional to 328,191, 452,903.58 and 177,288 is: 244,657.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,191 : 452,903.58 = 177,288 : x
  2. Step 2: Convert to fraction form
    328,191/452,903.58 = 177,288/x
  3. Step 3: Cross multiply
    328,191x = 452,903.58 × 177,288
  4. Step 4: Simplify right side
    328,191x = 80,294,369,891.04
  5. Step 5: Solve for x
    x = 80,294,369,891.04/328,191
  6. Step 6: Final answer
    x = 244,657.44

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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.