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Finding the Fourth Proportional to 468,850.86, 647,017.34 and 253,991.03

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Solution

The fourth proportional to 468,850.86, 647,017.34 and 253,991.03 is: 350,509.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,850.86 : 647,017.34 = 253,991.03 : x
  2. Step 2: Convert to fraction form
    468,850.86/647,017.34 = 253,991.03/x
  3. Step 3: Cross multiply
    468,850.86x = 647,017.34 × 253,991.03
  4. Step 4: Simplify right side
    468,850.86x = 164,336,596,109.42
  5. Step 5: Solve for x
    x = 164,336,596,109.42/468,850.86
  6. Step 6: Final answer
    x = 350,509.32

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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.