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Finding the Fourth Proportional to 328,196.81, 452,912.04 and 177,293.81

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Solution

The fourth proportional to 328,196.81, 452,912.04 and 177,293.81 is: 244,665.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,196.81 : 452,912.04 = 177,293.81 : x
  2. Step 2: Convert to fraction form
    328,196.81/452,912.04 = 177,293.81/x
  3. Step 3: Cross multiply
    328,196.81x = 452,912.04 × 177,293.81
  4. Step 4: Simplify right side
    328,196.81x = 80,298,502,298.75
  5. Step 5: Solve for x
    x = 80,298,502,298.75/328,196.81
  6. Step 6: Final answer
    x = 244,665.70

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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.