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Finding the Fourth Proportional to 441,744.62, 662,650.50 and 171,756.76

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Solution

The fourth proportional to 441,744.62, 662,650.50 and 171,756.76 is: 257,648.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,744.62 : 662,650.50 = 171,756.76 : x
  2. Step 2: Convert to fraction form
    441,744.62/662,650.50 = 171,756.76/x
  3. Step 3: Cross multiply
    441,744.62x = 662,650.50 × 171,756.76
  4. Step 4: Simplify right side
    441,744.62x = 113,814,703,536.82
  5. Step 5: Solve for x
    x = 113,814,703,536.82/441,744.62
  6. Step 6: Final answer
    x = 257,648.19

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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.