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Finding the Fourth Proportional to 367,157.20, 550,629.90 and 100,926.40

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Solution

The fourth proportional to 367,157.20, 550,629.90 and 100,926.40 is: 151,360.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,157.20 : 550,629.90 = 100,926.40 : x
  2. Step 2: Convert to fraction form
    367,157.20/550,629.90 = 100,926.40/x
  3. Step 3: Cross multiply
    367,157.20x = 550,629.90 × 100,926.40
  4. Step 4: Simplify right side
    367,157.20x = 55,573,093,539.36
  5. Step 5: Solve for x
    x = 55,573,093,539.36/367,157.20
  6. Step 6: Final answer
    x = 151,360.49

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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.