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Finding the Fourth Proportional to 629,132.88, 943,034.64 and 451,543.62

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Solution

The fourth proportional to 629,132.88, 943,034.64 and 451,543.62 is: 676,838.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,132.88 : 943,034.64 = 451,543.62 : x
  2. Step 2: Convert to fraction form
    629,132.88/943,034.64 = 451,543.62/x
  3. Step 3: Cross multiply
    629,132.88x = 943,034.64 × 451,543.62
  4. Step 4: Simplify right side
    629,132.88x = 425,821,275,131.00
  5. Step 5: Solve for x
    x = 425,821,275,131.00/629,132.88
  6. Step 6: Final answer
    x = 676,838.37

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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.