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Finding the Fourth Proportional to 328,680.96, 453,553.92 and 185,475.84

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Solution

The fourth proportional to 328,680.96, 453,553.92 and 185,475.84 is: 255,942.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,680.96 : 453,553.92 = 185,475.84 : x
  2. Step 2: Convert to fraction form
    328,680.96/453,553.92 = 185,475.84/x
  3. Step 3: Cross multiply
    328,680.96x = 453,553.92 × 185,475.84
  4. Step 4: Simplify right side
    328,680.96x = 84,123,294,297.29
  5. Step 5: Solve for x
    x = 84,123,294,297.29/328,680.96
  6. Step 6: Final answer
    x = 255,942.10

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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.