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Finding the Fourth Proportional to 347,997.46, 522,073.85 and 111,354.34

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Solution

The fourth proportional to 347,997.46, 522,073.85 and 111,354.34 is: 167,056.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,997.46 : 522,073.85 = 111,354.34 : x
  2. Step 2: Convert to fraction form
    347,997.46/522,073.85 = 111,354.34/x
  3. Step 3: Cross multiply
    347,997.46x = 522,073.85 × 111,354.34
  4. Step 4: Simplify right side
    347,997.46x = 58,135,186,666.03
  5. Step 5: Solve for x
    x = 58,135,186,666.03/347,997.46
  6. Step 6: Final answer
    x = 167,056.36

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1.5x scale

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.