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Finding the Fourth Proportional to 422,075.39, 582,519.47 and 240,745.68

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Solution

The fourth proportional to 422,075.39, 582,519.47 and 240,745.68 is: 332,260.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,075.39 : 582,519.47 = 240,745.68 : x
  2. Step 2: Convert to fraction form
    422,075.39/582,519.47 = 240,745.68/x
  3. Step 3: Cross multiply
    422,075.39x = 582,519.47 × 240,745.68
  4. Step 4: Simplify right side
    422,075.39x = 140,239,044,714.66
  5. Step 5: Solve for x
    x = 140,239,044,714.66/422,075.39
  6. Step 6: Final answer
    x = 332,260.66

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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.