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Finding the Fourth Proportional to 367,915.84, 507,735.38 and 222,748.25

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Solution

The fourth proportional to 367,915.84, 507,735.38 and 222,748.25 is: 307,399.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,915.84 : 507,735.38 = 222,748.25 : x
  2. Step 2: Convert to fraction form
    367,915.84/507,735.38 = 222,748.25/x
  3. Step 3: Cross multiply
    367,915.84x = 507,735.38 × 222,748.25
  4. Step 4: Simplify right side
    367,915.84x = 113,097,165,376.28
  5. Step 5: Solve for x
    x = 113,097,165,376.28/367,915.84
  6. Step 6: Final answer
    x = 307,399.56

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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.