Home / 352,008.20-527,234.70-272,865.80

Finding the Fourth Proportional to 352,008.20, 527,234.70 and 272,865.80

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Solution

The fourth proportional to 352,008.20, 527,234.70 and 272,865.80 is: 408,695.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,008.20 : 527,234.70 = 272,865.80 : x
  2. Step 2: Convert to fraction form
    352,008.20/527,234.70 = 272,865.80/x
  3. Step 3: Cross multiply
    352,008.20x = 527,234.70 × 272,865.80
  4. Step 4: Simplify right side
    352,008.20x = 143,864,318,203.26
  5. Step 5: Solve for x
    x = 143,864,318,203.26/352,008.20
  6. Step 6: Final answer
    x = 408,695.93

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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.