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Finding the Fourth Proportional to 338,630.80, 467,315.76 and 185,682.96

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Solution

The fourth proportional to 338,630.80, 467,315.76 and 185,682.96 is: 256,245.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,630.80 : 467,315.76 = 185,682.96 : x
  2. Step 2: Convert to fraction form
    338,630.80/467,315.76 = 185,682.96/x
  3. Step 3: Cross multiply
    338,630.80x = 467,315.76 × 185,682.96
  4. Step 4: Simplify right side
    338,630.80x = 86,772,573,571.45
  5. Step 5: Solve for x
    x = 86,772,573,571.45/338,630.80
  6. Step 6: Final answer
    x = 256,245.37

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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.