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Finding the Fourth Proportional to 504,310.76, 695,928.47 and 274,863.14

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Solution

The fourth proportional to 504,310.76, 695,928.47 and 274,863.14 is: 379,300.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,310.76 : 695,928.47 = 274,863.14 : x
  2. Step 2: Convert to fraction form
    504,310.76/695,928.47 = 274,863.14/x
  3. Step 3: Cross multiply
    504,310.76x = 695,928.47 × 274,863.14
  4. Step 4: Simplify right side
    504,310.76x = 191,285,079,625.64
  5. Step 5: Solve for x
    x = 191,285,079,625.64/504,310.76
  6. Step 6: Final answer
    x = 379,300.02

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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.