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Finding the Fourth Proportional to 326,819.80, 490,229.70 and 232,816.60

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Solution

The fourth proportional to 326,819.80, 490,229.70 and 232,816.60 is: 349,224.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,819.80 : 490,229.70 = 232,816.60 : x
  2. Step 2: Convert to fraction form
    326,819.80/490,229.70 = 232,816.60/x
  3. Step 3: Cross multiply
    326,819.80x = 490,229.70 × 232,816.60
  4. Step 4: Simplify right side
    326,819.80x = 114,133,611,973.02
  5. Step 5: Solve for x
    x = 114,133,611,973.02/326,819.80
  6. Step 6: Final answer
    x = 349,224.90

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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.