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Finding the Fourth Proportional to 503,083.06, 694,240.14 and 276,728.56

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Solution

The fourth proportional to 503,083.06, 694,240.14 and 276,728.56 is: 381,877.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,083.06 : 694,240.14 = 276,728.56 : x
  2. Step 2: Convert to fraction form
    503,083.06/694,240.14 = 276,728.56/x
  3. Step 3: Cross multiply
    503,083.06x = 694,240.14 × 276,728.56
  4. Step 4: Simplify right side
    503,083.06x = 192,116,074,236.40
  5. Step 5: Solve for x
    x = 192,116,074,236.40/503,083.06
  6. Step 6: Final answer
    x = 381,877.45

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1.5x scale

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.