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Finding the Fourth Proportional to 319,097.55, 440,375.40 and 183,175.50

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Solution

The fourth proportional to 319,097.55, 440,375.40 and 183,175.50 is: 252,794.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,097.55 : 440,375.40 = 183,175.50 : x
  2. Step 2: Convert to fraction form
    319,097.55/440,375.40 = 183,175.50/x
  3. Step 3: Cross multiply
    319,097.55x = 440,375.40 × 183,175.50
  4. Step 4: Simplify right side
    319,097.55x = 80,665,984,082.70
  5. Step 5: Solve for x
    x = 80,665,984,082.70/319,097.55
  6. Step 6: Final answer
    x = 252,794.12

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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.