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Finding the Fourth Proportional to 351,635.88, 527,468.36 and 102,317.88

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Solution

The fourth proportional to 351,635.88, 527,468.36 and 102,317.88 is: 153,481.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,635.88 : 527,468.36 = 102,317.88 : x
  2. Step 2: Convert to fraction form
    351,635.88/527,468.36 = 102,317.88/x
  3. Step 3: Cross multiply
    351,635.88x = 527,468.36 × 102,317.88
  4. Step 4: Simplify right side
    351,635.88x = 53,969,444,362.28
  5. Step 5: Solve for x
    x = 53,969,444,362.28/351,635.88
  6. Step 6: Final answer
    x = 153,481.05

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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.