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Finding the Fourth Proportional to 374,654.52, 517,027.32 and 204,885

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Solution

The fourth proportional to 374,654.52, 517,027.32 and 204,885 is: 282,743.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,654.52 : 517,027.32 = 204,885 : x
  2. Step 2: Convert to fraction form
    374,654.52/517,027.32 = 204,885/x
  3. Step 3: Cross multiply
    374,654.52x = 517,027.32 × 204,885
  4. Step 4: Simplify right side
    374,654.52x = 105,931,142,458.20
  5. Step 5: Solve for x
    x = 105,931,142,458.20/374,654.52
  6. Step 6: Final answer
    x = 282,743.53

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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.