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Finding the Fourth Proportional to 255,797.70, 352,908.27 and 148,308.54

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Solution

The fourth proportional to 255,797.70, 352,908.27 and 148,308.54 is: 204,612.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,797.70 : 352,908.27 = 148,308.54 : x
  2. Step 2: Convert to fraction form
    255,797.70/352,908.27 = 148,308.54/x
  3. Step 3: Cross multiply
    255,797.70x = 352,908.27 × 148,308.54
  4. Step 4: Simplify right side
    255,797.70x = 52,339,310,277.63
  5. Step 5: Solve for x
    x = 52,339,310,277.63/255,797.70
  6. Step 6: Final answer
    x = 204,612.12

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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.