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Finding the Fourth Proportional to 629,469.39, 944,483.16 and 329,878.74

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Solution

The fourth proportional to 629,469.39, 944,483.16 and 329,878.74 is: 494,964.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,469.39 : 944,483.16 = 329,878.74 : x
  2. Step 2: Convert to fraction form
    629,469.39/944,483.16 = 329,878.74/x
  3. Step 3: Cross multiply
    629,469.39x = 944,483.16 × 329,878.74
  4. Step 4: Simplify right side
    629,469.39x = 311,564,914,772.02
  5. Step 5: Solve for x
    x = 311,564,914,772.02/629,469.39
  6. Step 6: Final answer
    x = 494,964.36

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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.