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Finding the Fourth Proportional to 293,310.08, 440,019.84 and 133,397.60

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Solution

The fourth proportional to 293,310.08, 440,019.84 and 133,397.60 is: 200,121.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,310.08 : 440,019.84 = 133,397.60 : x
  2. Step 2: Convert to fraction form
    293,310.08/440,019.84 = 133,397.60/x
  3. Step 3: Cross multiply
    293,310.08x = 440,019.84 × 133,397.60
  4. Step 4: Simplify right side
    293,310.08x = 58,697,590,608.38
  5. Step 5: Solve for x
    x = 58,697,590,608.38/293,310.08
  6. Step 6: Final answer
    x = 200,121.29

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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.