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Finding the Fourth Proportional to 351,151.92, 527,023.44 and 329,009.04

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Solution

The fourth proportional to 351,151.92, 527,023.44 and 329,009.04 is: 493,790.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,151.92 : 527,023.44 = 329,009.04 : x
  2. Step 2: Convert to fraction form
    351,151.92/527,023.44 = 329,009.04/x
  3. Step 3: Cross multiply
    351,151.92x = 527,023.44 × 329,009.04
  4. Step 4: Simplify right side
    351,151.92x = 173,395,476,051.90
  5. Step 5: Solve for x
    x = 173,395,476,051.90/351,151.92
  6. Step 6: Final answer
    x = 493,790.48

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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.