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Finding the Fourth Proportional to 328,901.06, 453,883.50 and 177,998.06

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Solution

The fourth proportional to 328,901.06, 453,883.50 and 177,998.06 is: 245,637.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,901.06 : 453,883.50 = 177,998.06 : x
  2. Step 2: Convert to fraction form
    328,901.06/453,883.50 = 177,998.06/x
  3. Step 3: Cross multiply
    328,901.06x = 453,883.50 × 177,998.06
  4. Step 4: Simplify right side
    328,901.06x = 80,790,383,600.72
  5. Step 5: Solve for x
    x = 80,790,383,600.72/328,901.06
  6. Step 6: Final answer
    x = 245,637.34

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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.