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Finding the Fourth Proportional to 503,470.16, 694,808.52 and 277,136.72

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Solution

The fourth proportional to 503,470.16, 694,808.52 and 277,136.72 is: 382,459.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,470.16 : 694,808.52 = 277,136.72 : x
  2. Step 2: Convert to fraction form
    503,470.16/694,808.52 = 277,136.72/x
  3. Step 3: Cross multiply
    503,470.16x = 694,808.52 × 277,136.72
  4. Step 4: Simplify right side
    503,470.16x = 192,556,954,260.85
  5. Step 5: Solve for x
    x = 192,556,954,260.85/503,470.16
  6. Step 6: Final answer
    x = 382,459.52

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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.