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Finding the Fourth Proportional to 504,238.10, 695,839.28 and 274,797.24

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Solution

The fourth proportional to 504,238.10, 695,839.28 and 274,797.24 is: 379,215.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,238.10 : 695,839.28 = 274,797.24 : x
  2. Step 2: Convert to fraction form
    504,238.10/695,839.28 = 274,797.24/x
  3. Step 3: Cross multiply
    504,238.10x = 695,839.28 × 274,797.24
  4. Step 4: Simplify right side
    504,238.10x = 191,214,713,627.59
  5. Step 5: Solve for x
    x = 191,214,713,627.59/504,238.10
  6. Step 6: Final answer
    x = 379,215.12

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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.