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Finding the Fourth Proportional to 255,476.74, 352,540.88 and 148,027.64

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Solution

The fourth proportional to 255,476.74, 352,540.88 and 148,027.64 is: 204,268.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,476.74 : 352,540.88 = 148,027.64 : x
  2. Step 2: Convert to fraction form
    255,476.74/352,540.88 = 148,027.64/x
  3. Step 3: Cross multiply
    255,476.74x = 352,540.88 × 148,027.64
  4. Step 4: Simplify right side
    255,476.74x = 52,185,794,469.92
  5. Step 5: Solve for x
    x = 52,185,794,469.92/255,476.74
  6. Step 6: Final answer
    x = 204,268.28

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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.