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Finding the Fourth Proportional to 503,753.64, 695,170.06 and 274,313.73

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Solution

The fourth proportional to 503,753.64, 695,170.06 and 274,313.73 is: 378,547.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,753.64 : 695,170.06 = 274,313.73 : x
  2. Step 2: Convert to fraction form
    503,753.64/695,170.06 = 274,313.73/x
  3. Step 3: Cross multiply
    503,753.64x = 695,170.06 × 274,313.73
  4. Step 4: Simplify right side
    503,753.64x = 190,694,692,142.92
  5. Step 5: Solve for x
    x = 190,694,692,142.92/503,753.64
  6. Step 6: Final answer
    x = 378,547.52

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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.