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Finding the Fourth Proportional to 361,840.10, 499,318.98 and 200,683.58

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Solution

The fourth proportional to 361,840.10, 499,318.98 and 200,683.58 is: 276,932.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,840.10 : 499,318.98 = 200,683.58 : x
  2. Step 2: Convert to fraction form
    361,840.10/499,318.98 = 200,683.58/x
  3. Step 3: Cross multiply
    361,840.10x = 499,318.98 × 200,683.58
  4. Step 4: Simplify right side
    361,840.10x = 100,205,120,468.35
  5. Step 5: Solve for x
    x = 100,205,120,468.35/361,840.10
  6. Step 6: Final answer
    x = 276,932.05

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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.