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Finding the Fourth Proportional to 503,817.85, 695,264.03 and 277,458.49

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Solution

The fourth proportional to 503,817.85, 695,264.03 and 277,458.49 is: 382,890.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,817.85 : 695,264.03 = 277,458.49 : x
  2. Step 2: Convert to fraction form
    503,817.85/695,264.03 = 277,458.49/x
  3. Step 3: Cross multiply
    503,817.85x = 695,264.03 × 277,458.49
  4. Step 4: Simplify right side
    503,817.85x = 192,906,906,527.82
  5. Step 5: Solve for x
    x = 192,906,906,527.82/503,817.85
  6. Step 6: Final answer
    x = 382,890.18

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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.