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Finding the Fourth Proportional to 265,450.66, 397,935.30 and 132,371.74

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Solution

The fourth proportional to 265,450.66, 397,935.30 and 132,371.74 is: 198,437.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,450.66 : 397,935.30 = 132,371.74 : x
  2. Step 2: Convert to fraction form
    265,450.66/397,935.30 = 132,371.74/x
  3. Step 3: Cross multiply
    265,450.66x = 397,935.30 × 132,371.74
  4. Step 4: Simplify right side
    265,450.66x = 52,675,388,068.42
  5. Step 5: Solve for x
    x = 52,675,388,068.42/265,450.66
  6. Step 6: Final answer
    x = 198,437.59

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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.