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Finding the Fourth Proportional to 255,400.62, 352,452.84 and 148,032.92

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Solution

The fourth proportional to 255,400.62, 352,452.84 and 148,032.92 is: 204,285.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,400.62 : 352,452.84 = 148,032.92 : x
  2. Step 2: Convert to fraction form
    255,400.62/352,452.84 = 148,032.92/x
  3. Step 3: Cross multiply
    255,400.62x = 352,452.84 × 148,032.92
  4. Step 4: Simplify right side
    255,400.62x = 52,174,623,067.49
  5. Step 5: Solve for x
    x = 52,174,623,067.49/255,400.62
  6. Step 6: Final answer
    x = 204,285.42

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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.