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Finding the Fourth Proportional to 503,871.06, 695,310.15 and 277,516.56

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Solution

The fourth proportional to 503,871.06, 695,310.15 and 277,516.56 is: 382,955.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,871.06 : 695,310.15 = 277,516.56 : x
  2. Step 2: Convert to fraction form
    503,871.06/695,310.15 = 277,516.56/x
  3. Step 3: Cross multiply
    503,871.06x = 695,310.15 × 277,516.56
  4. Step 4: Simplify right side
    503,871.06x = 192,960,080,961.08
  5. Step 5: Solve for x
    x = 192,960,080,961.08/503,871.06
  6. Step 6: Final answer
    x = 382,955.28

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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.