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Finding the Fourth Proportional to 319,114.62, 440,383.32 and 175,872.60

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Solution

The fourth proportional to 319,114.62, 440,383.32 and 175,872.60 is: 242,707.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,114.62 : 440,383.32 = 175,872.60 : x
  2. Step 2: Convert to fraction form
    319,114.62/440,383.32 = 175,872.60/x
  3. Step 3: Cross multiply
    319,114.62x = 440,383.32 × 175,872.60
  4. Step 4: Simplify right side
    319,114.62x = 77,451,359,485.03
  5. Step 5: Solve for x
    x = 77,451,359,485.03/319,114.62
  6. Step 6: Final answer
    x = 242,707.02

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.