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Finding the Fourth Proportional to 255,604.60, 352,735.80 and 148,238.32

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Solution

The fourth proportional to 255,604.60, 352,735.80 and 148,238.32 is: 204,569.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,604.60 : 352,735.80 = 148,238.32 : x
  2. Step 2: Convert to fraction form
    255,604.60/352,735.80 = 148,238.32/x
  3. Step 3: Cross multiply
    255,604.60x = 352,735.80 × 148,238.32
  4. Step 4: Simplify right side
    255,604.60x = 52,288,962,395.86
  5. Step 5: Solve for x
    x = 52,288,962,395.86/255,604.60
  6. Step 6: Final answer
    x = 204,569.72

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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.