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Finding the Fourth Proportional to 613,326.54, 846,371.79 and 341,387.46

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Solution

The fourth proportional to 613,326.54, 846,371.79 and 341,387.46 is: 471,104.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,326.54 : 846,371.79 = 341,387.46 : x
  2. Step 2: Convert to fraction form
    613,326.54/846,371.79 = 341,387.46/x
  3. Step 3: Cross multiply
    613,326.54x = 846,371.79 × 341,387.46
  4. Step 4: Simplify right side
    613,326.54x = 288,940,715,603.75
  5. Step 5: Solve for x
    x = 288,940,715,603.75/613,326.54
  6. Step 6: Final answer
    x = 471,104.21

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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.