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Finding the Fourth Proportional to 629,260.94, 943,159.11 and 359,578.10

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Solution

The fourth proportional to 629,260.94, 943,159.11 and 359,578.10 is: 538,948.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,260.94 : 943,159.11 = 359,578.10 : x
  2. Step 2: Convert to fraction form
    629,260.94/943,159.11 = 359,578.10/x
  3. Step 3: Cross multiply
    629,260.94x = 943,159.11 × 359,578.10
  4. Step 4: Simplify right side
    629,260.94x = 339,139,361,780.97
  5. Step 5: Solve for x
    x = 339,139,361,780.97/629,260.94
  6. Step 6: Final answer
    x = 538,948.69

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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.