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Finding the Fourth Proportional to 503,871.56, 695,310.86 and 277,517.06

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Solution

The fourth proportional to 503,871.56, 695,310.86 and 277,517.06 is: 382,955.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,871.56 : 695,310.86 = 277,517.06 : x
  2. Step 2: Convert to fraction form
    503,871.56/695,310.86 = 277,517.06/x
  3. Step 3: Cross multiply
    503,871.56x = 695,310.86 × 277,517.06
  4. Step 4: Simplify right side
    503,871.56x = 192,960,625,653.27
  5. Step 5: Solve for x
    x = 192,960,625,653.27/503,871.56
  6. Step 6: Final answer
    x = 382,955.98

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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.