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Finding the Fourth Proportional to 311,064.20, 466,250.70 and 170,923.40

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Solution

The fourth proportional to 311,064.20, 466,250.70 and 170,923.40 is: 256,195.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,064.20 : 466,250.70 = 170,923.40 : x
  2. Step 2: Convert to fraction form
    311,064.20/466,250.70 = 170,923.40/x
  3. Step 3: Cross multiply
    311,064.20x = 466,250.70 × 170,923.40
  4. Step 4: Simplify right side
    311,064.20x = 79,693,154,896.38
  5. Step 5: Solve for x
    x = 79,693,154,896.38/311,064.20
  6. Step 6: Final answer
    x = 256,195.20

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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.