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Finding the Fourth Proportional to 311,816.10, 467,614.80 and 162,006.60

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Solution

The fourth proportional to 311,816.10, 467,614.80 and 162,006.60 is: 242,953.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,816.10 : 467,614.80 = 162,006.60 : x
  2. Step 2: Convert to fraction form
    311,816.10/467,614.80 = 162,006.60/x
  3. Step 3: Cross multiply
    311,816.10x = 467,614.80 × 162,006.60
  4. Step 4: Simplify right side
    311,816.10x = 75,756,683,857.68
  5. Step 5: Solve for x
    x = 75,756,683,857.68/311,816.10
  6. Step 6: Final answer
    x = 242,953.09

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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.