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Finding the Fourth Proportional to 323,536.77, 485,438.49 and 134,035.29

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Solution

The fourth proportional to 323,536.77, 485,438.49 and 134,035.29 is: 201,108.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,536.77 : 485,438.49 = 134,035.29 : x
  2. Step 2: Convert to fraction form
    323,536.77/485,438.49 = 134,035.29/x
  3. Step 3: Cross multiply
    323,536.77x = 485,438.49 × 134,035.29
  4. Step 4: Simplify right side
    323,536.77x = 65,065,888,784.31
  5. Step 5: Solve for x
    x = 65,065,888,784.31/323,536.77
  6. Step 6: Final answer
    x = 201,108.17

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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.