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Finding the Fourth Proportional to 311,903.55, 467,851.01 and 75,244.23

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Solution

The fourth proportional to 311,903.55, 467,851.01 and 75,244.23 is: 112,865.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,903.55 : 467,851.01 = 75,244.23 : x
  2. Step 2: Convert to fraction form
    311,903.55/467,851.01 = 75,244.23/x
  3. Step 3: Cross multiply
    311,903.55x = 467,851.01 × 75,244.23
  4. Step 4: Simplify right side
    311,903.55x = 35,203,088,625.95
  5. Step 5: Solve for x
    x = 35,203,088,625.95/311,903.55
  6. Step 6: Final answer
    x = 112,865.30

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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.