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Finding the Fourth Proportional to 323,644.56, 485,130.02 and 181,281.12

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Solution

The fourth proportional to 323,644.56, 485,130.02 and 181,281.12 is: 271,733.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,644.56 : 485,130.02 = 181,281.12 : x
  2. Step 2: Convert to fraction form
    323,644.56/485,130.02 = 181,281.12/x
  3. Step 3: Cross multiply
    323,644.56x = 485,130.02 × 181,281.12
  4. Step 4: Simplify right side
    323,644.56x = 87,944,910,039.17
  5. Step 5: Solve for x
    x = 87,944,910,039.17/323,644.56
  6. Step 6: Final answer
    x = 271,733.01

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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.