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Finding the Fourth Proportional to 375,385.12, 563,103.96 and 150,745.54

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Solution

The fourth proportional to 375,385.12, 563,103.96 and 150,745.54 is: 226,128.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,385.12 : 563,103.96 = 150,745.54 : x
  2. Step 2: Convert to fraction form
    375,385.12/563,103.96 = 150,745.54/x
  3. Step 3: Cross multiply
    375,385.12x = 563,103.96 × 150,745.54
  4. Step 4: Simplify right side
    375,385.12x = 84,885,410,526.34
  5. Step 5: Solve for x
    x = 84,885,410,526.34/375,385.12
  6. Step 6: Final answer
    x = 226,128.86

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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.