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Finding the Fourth Proportional to 479,863.80, 662,209.02 and 265,002.12

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Solution

The fourth proportional to 479,863.80, 662,209.02 and 265,002.12 is: 365,701.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,863.80 : 662,209.02 = 265,002.12 : x
  2. Step 2: Convert to fraction form
    479,863.80/662,209.02 = 265,002.12/x
  3. Step 3: Cross multiply
    479,863.80x = 662,209.02 × 265,002.12
  4. Step 4: Simplify right side
    479,863.80x = 175,486,794,183.12
  5. Step 5: Solve for x
    x = 175,486,794,183.12/479,863.80
  6. Step 6: Final answer
    x = 365,701.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.