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Finding the Fourth Proportional to 255,796.20, 352,906.20 and 148,307.04

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Solution

The fourth proportional to 255,796.20, 352,906.20 and 148,307.04 is: 204,610.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,796.20 : 352,906.20 = 148,307.04 : x
  2. Step 2: Convert to fraction form
    255,796.20/352,906.20 = 148,307.04/x
  3. Step 3: Cross multiply
    255,796.20x = 352,906.20 × 148,307.04
  4. Step 4: Simplify right side
    255,796.20x = 52,338,473,919.65
  5. Step 5: Solve for x
    x = 52,338,473,919.65/255,796.20
  6. Step 6: Final answer
    x = 204,610.05

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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.