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Finding the Fourth Proportional to 504,060.94, 695,612.24 and 274,629.16

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Solution

The fourth proportional to 504,060.94, 695,612.24 and 274,629.16 is: 378,992.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,060.94 : 695,612.24 = 274,629.16 : x
  2. Step 2: Convert to fraction form
    504,060.94/695,612.24 = 274,629.16/x
  3. Step 3: Cross multiply
    504,060.94x = 695,612.24 × 274,629.16
  4. Step 4: Simplify right side
    504,060.94x = 191,035,405,156.92
  5. Step 5: Solve for x
    x = 191,035,405,156.92/504,060.94
  6. Step 6: Final answer
    x = 378,992.68

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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.