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Finding the Fourth Proportional to 503,358.50, 694,636.09 and 277,004.00

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Solution

The fourth proportional to 503,358.50, 694,636.09 and 277,004.00 is: 382,266.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,358.50 : 694,636.09 = 277,004.00 : x
  2. Step 2: Convert to fraction form
    503,358.50/694,636.09 = 277,004.00/x
  3. Step 3: Cross multiply
    503,358.50x = 694,636.09 × 277,004.00
  4. Step 4: Simplify right side
    503,358.50x = 192,416,976,518.44
  5. Step 5: Solve for x
    x = 192,416,976,518.44/503,358.50
  6. Step 6: Final answer
    x = 382,266.27

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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.