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Finding the Fourth Proportional to 339,586.95, 468,602.58 and 196,356.27

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Solution

The fourth proportional to 339,586.95, 468,602.58 and 196,356.27 is: 270,955.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,586.95 : 468,602.58 = 196,356.27 : x
  2. Step 2: Convert to fraction form
    339,586.95/468,602.58 = 196,356.27/x
  3. Step 3: Cross multiply
    339,586.95x = 468,602.58 × 196,356.27
  4. Step 4: Simplify right side
    339,586.95x = 92,013,054,721.18
  5. Step 5: Solve for x
    x = 92,013,054,721.18/339,586.95
  6. Step 6: Final answer
    x = 270,955.80

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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.