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Finding the Fourth Proportional to 240,323.40, 360,485.10 and 218,550.60

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Solution

The fourth proportional to 240,323.40, 360,485.10 and 218,550.60 is: 327,825.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,323.40 : 360,485.10 = 218,550.60 : x
  2. Step 2: Convert to fraction form
    240,323.40/360,485.10 = 218,550.60/x
  3. Step 3: Cross multiply
    240,323.40x = 360,485.10 × 218,550.60
  4. Step 4: Simplify right side
    240,323.40x = 78,784,234,896.06
  5. Step 5: Solve for x
    x = 78,784,234,896.06/240,323.40
  6. Step 6: Final answer
    x = 327,825.90

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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.