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Finding the Fourth Proportional to 347,203.34, 520,846.63 and 122,517.38

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Solution

The fourth proportional to 347,203.34, 520,846.63 and 122,517.38 is: 183,790.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,203.34 : 520,846.63 = 122,517.38 : x
  2. Step 2: Convert to fraction form
    347,203.34/520,846.63 = 122,517.38/x
  3. Step 3: Cross multiply
    347,203.34x = 520,846.63 × 122,517.38
  4. Step 4: Simplify right side
    347,203.34x = 63,812,761,578.90
  5. Step 5: Solve for x
    x = 63,812,761,578.90/347,203.34
  6. Step 6: Final answer
    x = 183,790.75

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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.