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Finding the Fourth Proportional to 483,787.08, 667,393.62 and 314,074.44

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Solution

The fourth proportional to 483,787.08, 667,393.62 and 314,074.44 is: 433,271.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,787.08 : 667,393.62 = 314,074.44 : x
  2. Step 2: Convert to fraction form
    483,787.08/667,393.62 = 314,074.44/x
  3. Step 3: Cross multiply
    483,787.08x = 667,393.62 × 314,074.44
  4. Step 4: Simplify right side
    483,787.08x = 209,611,277,461.07
  5. Step 5: Solve for x
    x = 209,611,277,461.07/483,787.08
  6. Step 6: Final answer
    x = 433,271.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.