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Finding the Fourth Proportional to 422,059.83, 582,498.03 and 240,730.20

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Solution

The fourth proportional to 422,059.83, 582,498.03 and 240,730.20 is: 332,239.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,059.83 : 582,498.03 = 240,730.20 : x
  2. Step 2: Convert to fraction form
    422,059.83/582,498.03 = 240,730.20/x
  3. Step 3: Cross multiply
    422,059.83x = 582,498.03 × 240,730.20
  4. Step 4: Simplify right side
    422,059.83x = 140,224,867,261.51
  5. Step 5: Solve for x
    x = 140,224,867,261.51/422,059.83
  6. Step 6: Final answer
    x = 332,239.31

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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.