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Finding the Fourth Proportional to 471,628.60, 706,998.18 and 234,747.34

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Solution

The fourth proportional to 471,628.60, 706,998.18 and 234,747.34 is: 351,899.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,628.60 : 706,998.18 = 234,747.34 : x
  2. Step 2: Convert to fraction form
    471,628.60/706,998.18 = 234,747.34/x
  3. Step 3: Cross multiply
    471,628.60x = 706,998.18 × 234,747.34
  4. Step 4: Simplify right side
    471,628.60x = 165,965,942,139.84
  5. Step 5: Solve for x
    x = 165,965,942,139.84/471,628.60
  6. Step 6: Final answer
    x = 351,899.66

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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.