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Finding the Fourth Proportional to 492,758.60, 739,137.90 and 492,758.60

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Solution

The fourth proportional to 492,758.60, 739,137.90 and 492,758.60 is: 739,137.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,758.60 : 739,137.90 = 492,758.60 : x
  2. Step 2: Convert to fraction form
    492,758.60/739,137.90 = 492,758.60/x
  3. Step 3: Cross multiply
    492,758.60x = 739,137.90 × 492,758.60
  4. Step 4: Simplify right side
    492,758.60x = 364,216,556,810.94
  5. Step 5: Solve for x
    x = 364,216,556,810.94/492,758.60
  6. Step 6: Final answer
    x = 739,137.90

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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.