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Finding the Fourth Proportional to 347,272.42, 520,553.41 and 234,964.50

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Solution

The fourth proportional to 347,272.42, 520,553.41 and 234,964.50 is: 352,206.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,272.42 : 520,553.41 = 234,964.50 : x
  2. Step 2: Convert to fraction form
    347,272.42/520,553.41 = 234,964.50/x
  3. Step 3: Cross multiply
    347,272.42x = 520,553.41 × 234,964.50
  4. Step 4: Simplify right side
    347,272.42x = 122,311,571,703.95
  5. Step 5: Solve for x
    x = 122,311,571,703.95/347,272.42
  6. Step 6: Final answer
    x = 352,206.41

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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.