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Finding the Fourth Proportional to 328,400.12, 453,192.94 and 177,497.12

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Solution

The fourth proportional to 328,400.12, 453,192.94 and 177,497.12 is: 244,946.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,400.12 : 453,192.94 = 177,497.12 : x
  2. Step 2: Convert to fraction form
    328,400.12/453,192.94 = 177,497.12/x
  3. Step 3: Cross multiply
    328,400.12x = 453,192.94 × 177,497.12
  4. Step 4: Simplify right side
    328,400.12x = 80,440,441,654.33
  5. Step 5: Solve for x
    x = 80,440,441,654.33/328,400.12
  6. Step 6: Final answer
    x = 244,946.44

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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.