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Finding the Fourth Proportional to 503,568.48, 694,941.45 and 274,134.15

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Solution

The fourth proportional to 503,568.48, 694,941.45 and 274,134.15 is: 378,314.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,568.48 : 694,941.45 = 274,134.15 : x
  2. Step 2: Convert to fraction form
    503,568.48/694,941.45 = 274,134.15/x
  3. Step 3: Cross multiply
    503,568.48x = 694,941.45 × 274,134.15
  4. Step 4: Simplify right side
    503,568.48x = 190,507,183,695.52
  5. Step 5: Solve for x
    x = 190,507,183,695.52/503,568.48
  6. Step 6: Final answer
    x = 378,314.35

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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.