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Finding the Fourth Proportional to 366,813.20, 550,219.80 and 303,827.60

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Solution

The fourth proportional to 366,813.20, 550,219.80 and 303,827.60 is: 455,741.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,813.20 : 550,219.80 = 303,827.60 : x
  2. Step 2: Convert to fraction form
    366,813.20/550,219.80 = 303,827.60/x
  3. Step 3: Cross multiply
    366,813.20x = 550,219.80 × 303,827.60
  4. Step 4: Simplify right side
    366,813.20x = 167,171,961,306.48
  5. Step 5: Solve for x
    x = 167,171,961,306.48/366,813.20
  6. Step 6: Final answer
    x = 455,741.40

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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.