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Finding the Fourth Proportional to 311,008.80, 466,396.08 and 100,590.24

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Solution

The fourth proportional to 311,008.80, 466,396.08 and 100,590.24 is: 150,847.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,008.80 : 466,396.08 = 100,590.24 : x
  2. Step 2: Convert to fraction form
    311,008.80/466,396.08 = 100,590.24/x
  3. Step 3: Cross multiply
    311,008.80x = 466,396.08 × 100,590.24
  4. Step 4: Simplify right side
    311,008.80x = 46,914,893,622.26
  5. Step 5: Solve for x
    x = 46,914,893,622.26/311,008.80
  6. Step 6: Final answer
    x = 150,847.48

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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.