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Finding the Fourth Proportional to 541,687.23, 812,528.82 and 162,606.33

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Solution

The fourth proportional to 541,687.23, 812,528.82 and 162,606.33 is: 243,908.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,687.23 : 812,528.82 = 162,606.33 : x
  2. Step 2: Convert to fraction form
    541,687.23/812,528.82 = 162,606.33/x
  3. Step 3: Cross multiply
    541,687.23x = 812,528.82 × 162,606.33
  4. Step 4: Simplify right side
    541,687.23x = 132,122,329,439.43
  5. Step 5: Solve for x
    x = 132,122,329,439.43/541,687.23
  6. Step 6: Final answer
    x = 243,908.89

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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.