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Finding the Fourth Proportional to 364,361.40, 502,819.41 and 203,226.84

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Solution

The fourth proportional to 364,361.40, 502,819.41 and 203,226.84 is: 280,453.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,361.40 : 502,819.41 = 203,226.84 : x
  2. Step 2: Convert to fraction form
    364,361.40/502,819.41 = 203,226.84/x
  3. Step 3: Cross multiply
    364,361.40x = 502,819.41 × 203,226.84
  4. Step 4: Simplify right side
    364,361.40x = 102,186,399,784.96
  5. Step 5: Solve for x
    x = 102,186,399,784.96/364,361.40
  6. Step 6: Final answer
    x = 280,453.42

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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.