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Finding the Fourth Proportional to 301,343.38, 415,817.94 and 178,816.30

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Solution

The fourth proportional to 301,343.38, 415,817.94 and 178,816.30 is: 246,745.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,343.38 : 415,817.94 = 178,816.30 : x
  2. Step 2: Convert to fraction form
    301,343.38/415,817.94 = 178,816.30/x
  3. Step 3: Cross multiply
    301,343.38x = 415,817.94 × 178,816.30
  4. Step 4: Simplify right side
    301,343.38x = 74,355,025,504.42
  5. Step 5: Solve for x
    x = 74,355,025,504.42/301,343.38
  6. Step 6: Final answer
    x = 246,745.18

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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.