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Finding the Fourth Proportional to 366,944.52, 550,467.78 and 130,230.90

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Solution

The fourth proportional to 366,944.52, 550,467.78 and 130,230.90 is: 195,364.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,944.52 : 550,467.78 = 130,230.90 : x
  2. Step 2: Convert to fraction form
    366,944.52/550,467.78 = 130,230.90/x
  3. Step 3: Cross multiply
    366,944.52x = 550,467.78 × 130,230.90
  4. Step 4: Simplify right side
    366,944.52x = 71,687,914,410.40
  5. Step 5: Solve for x
    x = 71,687,914,410.40/366,944.52
  6. Step 6: Final answer
    x = 195,364.45

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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.