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Finding the Fourth Proportional to 504,369.66, 696,009.16 and 274,921.90

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Solution

The fourth proportional to 504,369.66, 696,009.16 and 274,921.90 is: 379,380.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,369.66 : 696,009.16 = 274,921.90 : x
  2. Step 2: Convert to fraction form
    504,369.66/696,009.16 = 274,921.90/x
  3. Step 3: Cross multiply
    504,369.66x = 696,009.16 × 274,921.90
  4. Step 4: Simplify right side
    504,369.66x = 191,348,160,684.60
  5. Step 5: Solve for x
    x = 191,348,160,684.60/504,369.66
  6. Step 6: Final answer
    x = 379,380.79

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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.