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Finding the Fourth Proportional to 477,029.87, 658,308.90 and 273,079.97

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Solution

The fourth proportional to 477,029.87, 658,308.90 and 273,079.97 is: 376,854.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,029.87 : 658,308.90 = 273,079.97 : x
  2. Step 2: Convert to fraction form
    477,029.87/658,308.90 = 273,079.97/x
  3. Step 3: Cross multiply
    477,029.87x = 658,308.90 × 273,079.97
  4. Step 4: Simplify right side
    477,029.87x = 179,770,971,371.19
  5. Step 5: Solve for x
    x = 179,770,971,371.19/477,029.87
  6. Step 6: Final answer
    x = 376,854.75

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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.