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Finding the Fourth Proportional to 329,030.60, 494,064.30 and 189,062.60

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Solution

The fourth proportional to 329,030.60, 494,064.30 and 189,062.60 is: 283,891.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,030.60 : 494,064.30 = 189,062.60 : x
  2. Step 2: Convert to fraction form
    329,030.60/494,064.30 = 189,062.60/x
  3. Step 3: Cross multiply
    329,030.60x = 494,064.30 × 189,062.60
  4. Step 4: Simplify right side
    329,030.60x = 93,409,081,125.18
  5. Step 5: Solve for x
    x = 93,409,081,125.18/329,030.60
  6. Step 6: Final answer
    x = 283,891.78

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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.