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Finding the Fourth Proportional to 503,782.16, 694,036.88 and 350,556.86

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Solution

The fourth proportional to 503,782.16, 694,036.88 and 350,556.86 is: 482,945.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,782.16 : 694,036.88 = 350,556.86 : x
  2. Step 2: Convert to fraction form
    503,782.16/694,036.88 = 350,556.86/x
  3. Step 3: Cross multiply
    503,782.16x = 694,036.88 × 350,556.86
  4. Step 4: Simplify right side
    503,782.16x = 243,299,389,377.00
  5. Step 5: Solve for x
    x = 243,299,389,377.00/503,782.16
  6. Step 6: Final answer
    x = 482,945.62

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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.