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Finding the Fourth Proportional to 629,447.60, 944,450.45 and 329,856.95

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Solution

The fourth proportional to 629,447.60, 944,450.45 and 329,856.95 is: 494,931.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,447.60 : 944,450.45 = 329,856.95 : x
  2. Step 2: Convert to fraction form
    629,447.60/944,450.45 = 329,856.95/x
  3. Step 3: Cross multiply
    629,447.60x = 944,450.45 × 329,856.95
  4. Step 4: Simplify right side
    629,447.60x = 311,533,544,863.13
  5. Step 5: Solve for x
    x = 311,533,544,863.13/629,447.60
  6. Step 6: Final answer
    x = 494,931.66

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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.