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Finding the Fourth Proportional to 293,891.60, 440,837.40 and 188,915.60

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Solution

The fourth proportional to 293,891.60, 440,837.40 and 188,915.60 is: 283,373.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,891.60 : 440,837.40 = 188,915.60 : x
  2. Step 2: Convert to fraction form
    293,891.60/440,837.40 = 188,915.60/x
  3. Step 3: Cross multiply
    293,891.60x = 440,837.40 × 188,915.60
  4. Step 4: Simplify right side
    293,891.60x = 83,281,061,923.44
  5. Step 5: Solve for x
    x = 83,281,061,923.44/293,891.60
  6. Step 6: Final answer
    x = 283,373.40

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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.