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Finding the Fourth Proportional to 613,318.48, 846,360.67 and 341,379.39

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Solution

The fourth proportional to 613,318.48, 846,360.67 and 341,379.39 is: 471,093.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,318.48 : 846,360.67 = 341,379.39 : x
  2. Step 2: Convert to fraction form
    613,318.48/846,360.67 = 341,379.39/x
  3. Step 3: Cross multiply
    613,318.48x = 846,360.67 × 341,379.39
  4. Step 4: Simplify right side
    613,318.48x = 288,930,083,863.74
  5. Step 5: Solve for x
    x = 288,930,083,863.74/613,318.48
  6. Step 6: Final answer
    x = 471,093.06

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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.