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Finding the Fourth Proportional to 491,725.33, 737,211.34 and 154,570.93

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Solution

The fourth proportional to 491,725.33, 737,211.34 and 154,570.93 is: 231,737.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,725.33 : 737,211.34 = 154,570.93 : x
  2. Step 2: Convert to fraction form
    491,725.33/737,211.34 = 154,570.93/x
  3. Step 3: Cross multiply
    491,725.33x = 737,211.34 × 154,570.93
  4. Step 4: Simplify right side
    491,725.33x = 113,951,440,780.53
  5. Step 5: Solve for x
    x = 113,951,440,780.53/491,725.33
  6. Step 6: Final answer
    x = 231,737.99

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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.