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Finding the Fourth Proportional to 492,735.70, 739,103.55 and 193,116.70

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Solution

The fourth proportional to 492,735.70, 739,103.55 and 193,116.70 is: 289,675.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,735.70 : 739,103.55 = 193,116.70 : x
  2. Step 2: Convert to fraction form
    492,735.70/739,103.55 = 193,116.70/x
  3. Step 3: Cross multiply
    492,735.70x = 739,103.55 × 193,116.70
  4. Step 4: Simplify right side
    492,735.70x = 142,733,238,534.29
  5. Step 5: Solve for x
    x = 142,733,238,534.29/492,735.70
  6. Step 6: Final answer
    x = 289,675.05

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Similar ratio
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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.