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Finding the Fourth Proportional to 492,118.94, 737,915.96 and 254,873.18

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Solution

The fourth proportional to 492,118.94, 737,915.96 and 254,873.18 is: 382,173.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,118.94 : 737,915.96 = 254,873.18 : x
  2. Step 2: Convert to fraction form
    492,118.94/737,915.96 = 254,873.18/x
  3. Step 3: Cross multiply
    492,118.94x = 737,915.96 × 254,873.18
  4. Step 4: Simplify right side
    492,118.94x = 188,074,987,297.95
  5. Step 5: Solve for x
    x = 188,074,987,297.95/492,118.94
  6. Step 6: Final answer
    x = 382,173.84

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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.