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Finding the Fourth Proportional to 491,888.60, 737,833.06 and 379,732.56

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Solution

The fourth proportional to 491,888.60, 737,833.06 and 379,732.56 is: 569,598.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,888.60 : 737,833.06 = 379,732.56 : x
  2. Step 2: Convert to fraction form
    491,888.60/737,833.06 = 379,732.56/x
  3. Step 3: Cross multiply
    491,888.60x = 737,833.06 × 379,732.56
  4. Step 4: Simplify right side
    491,888.60x = 280,179,236,726.43
  5. Step 5: Solve for x
    x = 280,179,236,726.43/491,888.60
  6. Step 6: Final answer
    x = 569,598.96

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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.