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Finding the Fourth Proportional to 503,216.56, 694,424.64 and 276,862.08

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Solution

The fourth proportional to 503,216.56, 694,424.64 and 276,862.08 is: 382,061.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,216.56 : 694,424.64 = 276,862.08 : x
  2. Step 2: Convert to fraction form
    503,216.56/694,424.64 = 276,862.08/x
  3. Step 3: Cross multiply
    503,216.56x = 694,424.64 × 276,862.08
  4. Step 4: Simplify right side
    503,216.56x = 192,259,850,233.65
  5. Step 5: Solve for x
    x = 192,259,850,233.65/503,216.56
  6. Step 6: Final answer
    x = 382,061.85

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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.