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Finding the Fourth Proportional to 492,780.60, 739,170.90 and 492,780.60

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Solution

The fourth proportional to 492,780.60, 739,170.90 and 492,780.60 is: 739,170.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,780.60 : 739,170.90 = 492,780.60 : x
  2. Step 2: Convert to fraction form
    492,780.60/739,170.90 = 492,780.60/x
  3. Step 3: Cross multiply
    492,780.60x = 739,170.90 × 492,780.60
  4. Step 4: Simplify right side
    492,780.60x = 364,249,079,604.54
  5. Step 5: Solve for x
    x = 364,249,079,604.54/492,780.60
  6. Step 6: Final answer
    x = 739,170.90

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1.5x scale

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.