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Finding the Fourth Proportional to 441,520.80, 662,281.20 and 264,373.80

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Solution

The fourth proportional to 441,520.80, 662,281.20 and 264,373.80 is: 396,560.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,520.80 : 662,281.20 = 264,373.80 : x
  2. Step 2: Convert to fraction form
    441,520.80/662,281.20 = 264,373.80/x
  3. Step 3: Cross multiply
    441,520.80x = 662,281.20 × 264,373.80
  4. Step 4: Simplify right side
    441,520.80x = 175,089,797,512.56
  5. Step 5: Solve for x
    x = 175,089,797,512.56/441,520.80
  6. Step 6: Final answer
    x = 396,560.70

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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.