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Finding the Fourth Proportional to 547,562.34, 819,622.80 and 348,107.94

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Solution

The fourth proportional to 547,562.34, 819,622.80 and 348,107.94 is: 521,067.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,562.34 : 819,622.80 = 348,107.94 : x
  2. Step 2: Convert to fraction form
    547,562.34/819,622.80 = 348,107.94/x
  3. Step 3: Cross multiply
    547,562.34x = 819,622.80 × 348,107.94
  4. Step 4: Simplify right side
    547,562.34x = 285,317,204,485.03
  5. Step 5: Solve for x
    x = 285,317,204,485.03/547,562.34
  6. Step 6: Final answer
    x = 521,067.98

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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.