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Finding the Fourth Proportional to 365,818.20, 551,469.18 and 341,433.15

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Solution

The fourth proportional to 365,818.20, 551,469.18 and 341,433.15 is: 514,708.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,818.20 : 551,469.18 = 341,433.15 : x
  2. Step 2: Convert to fraction form
    365,818.20/551,469.18 = 341,433.15/x
  3. Step 3: Cross multiply
    365,818.20x = 551,469.18 × 341,433.15
  4. Step 4: Simplify right side
    365,818.20x = 188,289,859,255.32
  5. Step 5: Solve for x
    x = 188,289,859,255.32/365,818.20
  6. Step 6: Final answer
    x = 514,708.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.