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Finding the Fourth Proportional to 329,340.60, 494,010.90 and 218,532.60

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Solution

The fourth proportional to 329,340.60, 494,010.90 and 218,532.60 is: 327,798.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,340.60 : 494,010.90 = 218,532.60 : x
  2. Step 2: Convert to fraction form
    329,340.60/494,010.90 = 218,532.60/x
  3. Step 3: Cross multiply
    329,340.60x = 494,010.90 × 218,532.60
  4. Step 4: Simplify right side
    329,340.60x = 107,957,486,405.34
  5. Step 5: Solve for x
    x = 107,957,486,405.34/329,340.60
  6. Step 6: Final answer
    x = 327,798.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.