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Finding the Fourth Proportional to 336,309.80, 464,085.06 and 193,049.96

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Solution

The fourth proportional to 336,309.80, 464,085.06 and 193,049.96 is: 266,396.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,309.80 : 464,085.06 = 193,049.96 : x
  2. Step 2: Convert to fraction form
    336,309.80/464,085.06 = 193,049.96/x
  3. Step 3: Cross multiply
    336,309.80x = 464,085.06 × 193,049.96
  4. Step 4: Simplify right side
    336,309.80x = 89,591,602,269.60
  5. Step 5: Solve for x
    x = 89,591,602,269.60/336,309.80
  6. Step 6: Final answer
    x = 266,396.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.