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Finding the Fourth Proportional to 328,285.56, 453,033.36 and 177,382.56

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Solution

The fourth proportional to 328,285.56, 453,033.36 and 177,382.56 is: 244,787.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,285.56 : 453,033.36 = 177,382.56 : x
  2. Step 2: Convert to fraction form
    328,285.56/453,033.36 = 177,382.56/x
  3. Step 3: Cross multiply
    328,285.56x = 453,033.36 × 177,382.56
  4. Step 4: Simplify right side
    328,285.56x = 80,360,217,162.20
  5. Step 5: Solve for x
    x = 80,360,217,162.20/328,285.56
  6. Step 6: Final answer
    x = 244,787.55

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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.