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Finding the Fourth Proportional to 328,857.92, 453,825.29 and 177,954.92

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Solution

The fourth proportional to 328,857.92, 453,825.29 and 177,954.92 is: 245,578.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,857.92 : 453,825.29 = 177,954.92 : x
  2. Step 2: Convert to fraction form
    328,857.92/453,825.29 = 177,954.92/x
  3. Step 3: Cross multiply
    328,857.92x = 453,825.29 × 177,954.92
  4. Step 4: Simplify right side
    328,857.92x = 80,760,441,276.65
  5. Step 5: Solve for x
    x = 80,760,441,276.65/328,857.92
  6. Step 6: Final answer
    x = 245,578.52

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1.5x scale

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.