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Finding the Fourth Proportional to 328,700.24, 493,050.36 and 131,846.48

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Solution

The fourth proportional to 328,700.24, 493,050.36 and 131,846.48 is: 197,769.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,700.24 : 493,050.36 = 131,846.48 : x
  2. Step 2: Convert to fraction form
    328,700.24/493,050.36 = 131,846.48/x
  3. Step 3: Cross multiply
    328,700.24x = 493,050.36 × 131,846.48
  4. Step 4: Simplify right side
    328,700.24x = 65,006,954,428.73
  5. Step 5: Solve for x
    x = 65,006,954,428.73/328,700.24
  6. Step 6: Final answer
    x = 197,769.72

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.