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Finding the Fourth Proportional to 492,375.40, 737,007.90 and 476,823.40

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Solution

The fourth proportional to 492,375.40, 737,007.90 and 476,823.40 is: 713,729.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,375.40 : 737,007.90 = 476,823.40 : x
  2. Step 2: Convert to fraction form
    492,375.40/737,007.90 = 476,823.40/x
  3. Step 3: Cross multiply
    492,375.40x = 737,007.90 × 476,823.40
  4. Step 4: Simplify right side
    492,375.40x = 351,422,612,704.86
  5. Step 5: Solve for x
    x = 351,422,612,704.86/492,375.40
  6. Step 6: Final answer
    x = 713,729.02

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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.