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Finding the Fourth Proportional to 504,857.00, 696,654.24 and 278,487.92

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Solution

The fourth proportional to 504,857.00, 696,654.24 and 278,487.92 is: 384,286.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,857.00 : 696,654.24 = 278,487.92 : x
  2. Step 2: Convert to fraction form
    504,857.00/696,654.24 = 278,487.92/x
  3. Step 3: Cross multiply
    504,857.00x = 696,654.24 × 278,487.92
  4. Step 4: Simplify right side
    504,857.00x = 194,009,786,773.51
  5. Step 5: Solve for x
    x = 194,009,786,773.51/504,857.00
  6. Step 6: Final answer
    x = 384,286.62

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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.