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Finding the Fourth Proportional to 255,464.82, 352,568.97 and 140,755.08

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Solution

The fourth proportional to 255,464.82, 352,568.97 and 140,755.08 is: 194,257.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,464.82 : 352,568.97 = 140,755.08 : x
  2. Step 2: Convert to fraction form
    255,464.82/352,568.97 = 140,755.08/x
  3. Step 3: Cross multiply
    255,464.82x = 352,568.97 × 140,755.08
  4. Step 4: Simplify right side
    255,464.82x = 49,625,874,900.00
  5. Step 5: Solve for x
    x = 49,625,874,900.00/255,464.82
  6. Step 6: Final answer
    x = 194,257.18

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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.