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Finding the Fourth Proportional to 363,137.40, 544,539.70 and 194,631.80

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Solution

The fourth proportional to 363,137.40, 544,539.70 and 194,631.80 is: 291,858.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,137.40 : 544,539.70 = 194,631.80 : x
  2. Step 2: Convert to fraction form
    363,137.40/544,539.70 = 194,631.80/x
  3. Step 3: Cross multiply
    363,137.40x = 544,539.70 × 194,631.80
  4. Step 4: Simplify right side
    363,137.40x = 105,984,741,982.46
  5. Step 5: Solve for x
    x = 105,984,741,982.46/363,137.40
  6. Step 6: Final answer
    x = 291,858.51

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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.