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Finding the Fourth Proportional to 481,246.32, 721,860.96 and 165,696.24

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Solution

The fourth proportional to 481,246.32, 721,860.96 and 165,696.24 is: 248,541.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,246.32 : 721,860.96 = 165,696.24 : x
  2. Step 2: Convert to fraction form
    481,246.32/721,860.96 = 165,696.24/x
  3. Step 3: Cross multiply
    481,246.32x = 721,860.96 × 165,696.24
  4. Step 4: Simplify right side
    481,246.32x = 119,609,646,874.79
  5. Step 5: Solve for x
    x = 119,609,646,874.79/481,246.32
  6. Step 6: Final answer
    x = 248,541.43

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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.