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Finding the Fourth Proportional to 328,901.57, 453,884.19 and 177,998.57

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Solution

The fourth proportional to 328,901.57, 453,884.19 and 177,998.57 is: 245,638.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,901.57 : 453,884.19 = 177,998.57 : x
  2. Step 2: Convert to fraction form
    328,901.57/453,884.19 = 177,998.57/x
  3. Step 3: Cross multiply
    328,901.57x = 453,884.19 × 177,998.57
  4. Step 4: Simplify right side
    328,901.57x = 80,790,734,496.19
  5. Step 5: Solve for x
    x = 80,790,734,496.19/328,901.57
  6. Step 6: Final answer
    x = 245,638.04

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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.