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Finding the Fourth Proportional to 361,612.66, 499,025.46 and 200,467.30

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Solution

The fourth proportional to 361,612.66, 499,025.46 and 200,467.30 is: 276,644.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,612.66 : 499,025.46 = 200,467.30 : x
  2. Step 2: Convert to fraction form
    361,612.66/499,025.46 = 200,467.30/x
  3. Step 3: Cross multiply
    361,612.66x = 499,025.46 × 200,467.30
  4. Step 4: Simplify right side
    361,612.66x = 100,038,286,597.46
  5. Step 5: Solve for x
    x = 100,038,286,597.46/361,612.66
  6. Step 6: Final answer
    x = 276,644.87

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1.5x scale

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.