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Finding the Fourth Proportional to 491,056.40, 737,054.40 and 254,568.80

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Solution

The fourth proportional to 491,056.40, 737,054.40 and 254,568.80 is: 382,096.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,056.40 : 737,054.40 = 254,568.80 : x
  2. Step 2: Convert to fraction form
    491,056.40/737,054.40 = 254,568.80/x
  3. Step 3: Cross multiply
    491,056.40x = 737,054.40 × 254,568.80
  4. Step 4: Simplify right side
    491,056.40x = 187,631,054,142.72
  5. Step 5: Solve for x
    x = 187,631,054,142.72/491,056.40
  6. Step 6: Final answer
    x = 382,096.75

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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.