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Finding the Fourth Proportional to 329,028.60, 493,542.90 and 204,612.60

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Solution

The fourth proportional to 329,028.60, 493,542.90 and 204,612.60 is: 306,918.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,028.60 : 493,542.90 = 204,612.60 : x
  2. Step 2: Convert to fraction form
    329,028.60/493,542.90 = 204,612.60/x
  3. Step 3: Cross multiply
    329,028.60x = 493,542.90 × 204,612.60
  4. Step 4: Simplify right side
    329,028.60x = 100,985,095,980.54
  5. Step 5: Solve for x
    x = 100,985,095,980.54/329,028.60
  6. Step 6: Final answer
    x = 306,918.90

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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.