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Finding the Fourth Proportional to 468,662.64, 646,755.08 and 253,803.04

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Solution

The fourth proportional to 468,662.64, 646,755.08 and 253,803.04 is: 350,248.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,662.64 : 646,755.08 = 253,803.04 : x
  2. Step 2: Convert to fraction form
    468,662.64/646,755.08 = 253,803.04/x
  3. Step 3: Cross multiply
    468,662.64x = 646,755.08 × 253,803.04
  4. Step 4: Simplify right side
    468,662.64x = 164,148,405,439.44
  5. Step 5: Solve for x
    x = 164,148,405,439.44/468,662.64
  6. Step 6: Final answer
    x = 350,248.54

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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.