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Finding the Fourth Proportional to 328,895.69, 453,875.15 and 177,992.69

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Solution

The fourth proportional to 328,895.69, 453,875.15 and 177,992.69 is: 245,629.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,895.69 : 453,875.15 = 177,992.69 : x
  2. Step 2: Convert to fraction form
    328,895.69/453,875.15 = 177,992.69/x
  3. Step 3: Cross multiply
    328,895.69x = 453,875.15 × 177,992.69
  4. Step 4: Simplify right side
    328,895.69x = 80,786,457,048.26
  5. Step 5: Solve for x
    x = 80,786,457,048.26/328,895.69
  6. Step 6: Final answer
    x = 245,629.42

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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.