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Finding the Fourth Proportional to 503,444.86, 694,761.61 and 274,011.25

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Solution

The fourth proportional to 503,444.86, 694,761.61 and 274,011.25 is: 378,139.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,444.86 : 694,761.61 = 274,011.25 : x
  2. Step 2: Convert to fraction form
    503,444.86/694,761.61 = 274,011.25/x
  3. Step 3: Cross multiply
    503,444.86x = 694,761.61 × 274,011.25
  4. Step 4: Simplify right side
    503,444.86x = 190,372,497,208.11
  5. Step 5: Solve for x
    x = 190,372,497,208.11/503,444.86
  6. Step 6: Final answer
    x = 378,139.72

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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.