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Finding the Fourth Proportional to 422,403.26, 582,919.94 and 241,113.11

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Solution

The fourth proportional to 422,403.26, 582,919.94 and 241,113.11 is: 332,738.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,403.26 : 582,919.94 = 241,113.11 : x
  2. Step 2: Convert to fraction form
    422,403.26/582,919.94 = 241,113.11/x
  3. Step 3: Cross multiply
    422,403.26x = 582,919.94 × 241,113.11
  4. Step 4: Simplify right side
    422,403.26x = 140,549,637,302.60
  5. Step 5: Solve for x
    x = 140,549,637,302.60/422,403.26
  6. Step 6: Final answer
    x = 332,738.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.