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Finding the Fourth Proportional to 513,002.80, 769,504.20 and 341,760.70

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Solution

The fourth proportional to 513,002.80, 769,504.20 and 341,760.70 is: 512,641.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,002.80 : 769,504.20 = 341,760.70 : x
  2. Step 2: Convert to fraction form
    513,002.80/769,504.20 = 341,760.70/x
  3. Step 3: Cross multiply
    513,002.80x = 769,504.20 × 341,760.70
  4. Step 4: Simplify right side
    513,002.80x = 262,986,294,044.94
  5. Step 5: Solve for x
    x = 262,986,294,044.94/513,002.80
  6. Step 6: Final answer
    x = 512,641.05

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Similar ratio
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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.