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Finding the Fourth Proportional to 629,445.60, 944,447.45 and 329,854.95

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Solution

The fourth proportional to 629,445.60, 944,447.45 and 329,854.95 is: 494,928.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,445.60 : 944,447.45 = 329,854.95 : x
  2. Step 2: Convert to fraction form
    629,445.60/944,447.45 = 329,854.95/x
  3. Step 3: Cross multiply
    629,445.60x = 944,447.45 × 329,854.95
  4. Step 4: Simplify right side
    629,445.60x = 311,530,664,748.10
  5. Step 5: Solve for x
    x = 311,530,664,748.10/629,445.60
  6. Step 6: Final answer
    x = 494,928.66

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1.5x scale

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.