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Finding the Fourth Proportional to 629,536, 944,488.96 and 186,315.52

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Solution

The fourth proportional to 629,536, 944,488.96 and 186,315.52 is: 279,528.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,536 : 944,488.96 = 186,315.52 : x
  2. Step 2: Convert to fraction form
    629,536/944,488.96 = 186,315.52/x
  3. Step 3: Cross multiply
    629,536x = 944,488.96 × 186,315.52
  4. Step 4: Simplify right side
    629,536x = 175,972,951,716.66
  5. Step 5: Solve for x
    x = 175,972,951,716.66/629,536
  6. Step 6: Final answer
    x = 279,528.02

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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.