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Finding the Fourth Proportional to 293,209.08, 404,630.28 and 165,911.28

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Solution

The fourth proportional to 293,209.08, 404,630.28 and 165,911.28 is: 228,958.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,209.08 : 404,630.28 = 165,911.28 : x
  2. Step 2: Convert to fraction form
    293,209.08/404,630.28 = 165,911.28/x
  3. Step 3: Cross multiply
    293,209.08x = 404,630.28 × 165,911.28
  4. Step 4: Simplify right side
    293,209.08x = 67,132,727,681.56
  5. Step 5: Solve for x
    x = 67,132,727,681.56/293,209.08
  6. Step 6: Final answer
    x = 228,958.56

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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.