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Finding the Fourth Proportional to 466,591.85, 643,896.89 and 273,036.77

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Solution

The fourth proportional to 466,591.85, 643,896.89 and 273,036.77 is: 376,790.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,591.85 : 643,896.89 = 273,036.77 : x
  2. Step 2: Convert to fraction form
    466,591.85/643,896.89 = 273,036.77/x
  3. Step 3: Cross multiply
    466,591.85x = 643,896.89 × 273,036.77
  4. Step 4: Simplify right side
    466,591.85x = 175,807,524,521.75
  5. Step 5: Solve for x
    x = 175,807,524,521.75/466,591.85
  6. Step 6: Final answer
    x = 376,790.82

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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.