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Finding the Fourth Proportional to 200,450.41, 300,464.40 and 74,009.71

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Solution

The fourth proportional to 200,450.41, 300,464.40 and 74,009.71 is: 110,936.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,450.41 : 300,464.40 = 74,009.71 : x
  2. Step 2: Convert to fraction form
    200,450.41/300,464.40 = 74,009.71/x
  3. Step 3: Cross multiply
    200,450.41x = 300,464.40 × 74,009.71
  4. Step 4: Simplify right side
    200,450.41x = 22,237,283,762.44
  5. Step 5: Solve for x
    x = 22,237,283,762.44/200,450.41
  6. Step 6: Final answer
    x = 110,936.59

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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.