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Finding the Fourth Proportional to 329,526.73, 494,285.47 and 129,848.84

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Solution

The fourth proportional to 329,526.73, 494,285.47 and 129,848.84 is: 194,771.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,526.73 : 494,285.47 = 129,848.84 : x
  2. Step 2: Convert to fraction form
    329,526.73/494,285.47 = 129,848.84/x
  3. Step 3: Cross multiply
    329,526.73x = 494,285.47 × 129,848.84
  4. Step 4: Simplify right side
    329,526.73x = 64,182,394,696.28
  5. Step 5: Solve for x
    x = 64,182,394,696.28/329,526.73
  6. Step 6: Final answer
    x = 194,771.44

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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.