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Finding the Fourth Proportional to 441,606.48, 662,508 and 161,123.64

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Solution

The fourth proportional to 441,606.48, 662,508 and 161,123.64 is: 241,721.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,606.48 : 662,508 = 161,123.64 : x
  2. Step 2: Convert to fraction form
    441,606.48/662,508 = 161,123.64/x
  3. Step 3: Cross multiply
    441,606.48x = 662,508 × 161,123.64
  4. Step 4: Simplify right side
    441,606.48x = 106,745,700,489.12
  5. Step 5: Solve for x
    x = 106,745,700,489.12/441,606.48
  6. Step 6: Final answer
    x = 241,721.32

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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.