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Finding the Fourth Proportional to 366,821.20, 550,231.80 and 303,835.60

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Solution

The fourth proportional to 366,821.20, 550,231.80 and 303,835.60 is: 455,753.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,821.20 : 550,231.80 = 303,835.60 : x
  2. Step 2: Convert to fraction form
    366,821.20/550,231.80 = 303,835.60/x
  3. Step 3: Cross multiply
    366,821.20x = 550,231.80 × 303,835.60
  4. Step 4: Simplify right side
    366,821.20x = 167,180,009,092.08
  5. Step 5: Solve for x
    x = 167,180,009,092.08/366,821.20
  6. Step 6: Final answer
    x = 455,753.40

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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.