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Finding the Fourth Proportional to 246,015.20, 368,439.60 and 246,015.20

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Solution

The fourth proportional to 246,015.20, 368,439.60 and 246,015.20 is: 368,439.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,015.20 : 368,439.60 = 246,015.20 : x
  2. Step 2: Convert to fraction form
    246,015.20/368,439.60 = 246,015.20/x
  3. Step 3: Cross multiply
    246,015.20x = 368,439.60 × 246,015.20
  4. Step 4: Simplify right side
    246,015.20x = 90,641,741,881.92
  5. Step 5: Solve for x
    x = 90,641,741,881.92/246,015.20
  6. Step 6: Final answer
    x = 368,439.60

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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.