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Finding the Fourth Proportional to 503,704.41, 695,124.54 and 274,274.27

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Solution

The fourth proportional to 503,704.41, 695,124.54 and 274,274.27 is: 378,505.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,704.41 : 695,124.54 = 274,274.27 : x
  2. Step 2: Convert to fraction form
    503,704.41/695,124.54 = 274,274.27/x
  3. Step 3: Cross multiply
    503,704.41x = 695,124.54 × 274,274.27
  4. Step 4: Simplify right side
    503,704.41x = 190,654,774,898.68
  5. Step 5: Solve for x
    x = 190,654,774,898.68/503,704.41
  6. Step 6: Final answer
    x = 378,505.28

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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.