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Finding the Fourth Proportional to 545,230.28, 817,798.44 and 331,942.97

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Solution

The fourth proportional to 545,230.28, 817,798.44 and 331,942.97 is: 497,885.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,230.28 : 817,798.44 = 331,942.97 : x
  2. Step 2: Convert to fraction form
    545,230.28/817,798.44 = 331,942.97/x
  3. Step 3: Cross multiply
    545,230.28x = 817,798.44 × 331,942.97
  4. Step 4: Simplify right side
    545,230.28x = 271,462,443,034.97
  5. Step 5: Solve for x
    x = 271,462,443,034.97/545,230.28
  6. Step 6: Final answer
    x = 497,885.85

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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.