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Finding the Fourth Proportional to 491,376.84, 737,062.82 and 191,887.84

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Solution

The fourth proportional to 491,376.84, 737,062.82 and 191,887.84 is: 287,830.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,376.84 : 737,062.82 = 191,887.84 : x
  2. Step 2: Convert to fraction form
    491,376.84/737,062.82 = 191,887.84/x
  3. Step 3: Cross multiply
    491,376.84x = 737,062.82 × 191,887.84
  4. Step 4: Simplify right side
    491,376.84x = 141,433,392,474.11
  5. Step 5: Solve for x
    x = 141,433,392,474.11/491,376.84
  6. Step 6: Final answer
    x = 287,830.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.