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Finding the Fourth Proportional to 504,370.66, 696,010.54 and 274,922.90

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Solution

The fourth proportional to 504,370.66, 696,010.54 and 274,922.90 is: 379,382.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,370.66 : 696,010.54 = 274,922.90 : x
  2. Step 2: Convert to fraction form
    504,370.66/696,010.54 = 274,922.90/x
  3. Step 3: Cross multiply
    504,370.66x = 696,010.54 × 274,922.90
  4. Step 4: Simplify right side
    504,370.66x = 191,349,236,087.37
  5. Step 5: Solve for x
    x = 191,349,236,087.37/504,370.66
  6. Step 6: Final answer
    x = 379,382.17

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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.