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Finding the Fourth Proportional to 629,579.67, 868,794.66 and 343,093.59

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Solution

The fourth proportional to 629,579.67, 868,794.66 and 343,093.59 is: 473,455.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,579.67 : 868,794.66 = 343,093.59 : x
  2. Step 2: Convert to fraction form
    629,579.67/868,794.66 = 343,093.59/x
  3. Step 3: Cross multiply
    629,579.67x = 868,794.66 × 343,093.59
  4. Step 4: Simplify right side
    629,579.67x = 298,077,878,872.23
  5. Step 5: Solve for x
    x = 298,077,878,872.23/629,579.67
  6. Step 6: Final answer
    x = 473,455.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.