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Finding the Fourth Proportional to 328,021.55, 452,674.29 and 182,823.31

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Solution

The fourth proportional to 328,021.55, 452,674.29 and 182,823.31 is: 252,298.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,021.55 : 452,674.29 = 182,823.31 : x
  2. Step 2: Convert to fraction form
    328,021.55/452,674.29 = 182,823.31/x
  3. Step 3: Cross multiply
    328,021.55x = 452,674.29 × 182,823.31
  4. Step 4: Simplify right side
    328,021.55x = 82,759,412,049.70
  5. Step 5: Solve for x
    x = 82,759,412,049.70/328,021.55
  6. Step 6: Final answer
    x = 252,298.70

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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.