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Finding the Fourth Proportional to 353,630.04, 488,072.72 and 226,301.28

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Solution

The fourth proportional to 353,630.04, 488,072.72 and 226,301.28 is: 312,336.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,630.04 : 488,072.72 = 226,301.28 : x
  2. Step 2: Convert to fraction form
    353,630.04/488,072.72 = 226,301.28/x
  3. Step 3: Cross multiply
    353,630.04x = 488,072.72 × 226,301.28
  4. Step 4: Simplify right side
    353,630.04x = 110,451,481,269.08
  5. Step 5: Solve for x
    x = 110,451,481,269.08/353,630.04
  6. Step 6: Final answer
    x = 312,336.25

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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.