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Finding the Fourth Proportional to 613,309.70, 846,367.43 and 341,371.74

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Solution

The fourth proportional to 613,309.70, 846,367.43 and 341,371.74 is: 471,093.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,309.70 : 846,367.43 = 341,371.74 : x
  2. Step 2: Convert to fraction form
    613,309.70/846,367.43 = 341,371.74/x
  3. Step 3: Cross multiply
    613,309.70x = 846,367.43 × 341,371.74
  4. Step 4: Simplify right side
    613,309.70x = 288,925,922,258.43
  5. Step 5: Solve for x
    x = 288,925,922,258.43/613,309.70
  6. Step 6: Final answer
    x = 471,093.03

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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.