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Finding the Fourth Proportional to 325,706.73, 449,475.33 and 180,521.88

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Solution

The fourth proportional to 325,706.73, 449,475.33 and 180,521.88 is: 249,120.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,706.73 : 449,475.33 = 180,521.88 : x
  2. Step 2: Convert to fraction form
    325,706.73/449,475.33 = 180,521.88/x
  3. Step 3: Cross multiply
    325,706.73x = 449,475.33 × 180,521.88
  4. Step 4: Simplify right side
    325,706.73x = 81,140,131,585.22
  5. Step 5: Solve for x
    x = 81,140,131,585.22/325,706.73
  6. Step 6: Final answer
    x = 249,120.22

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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.