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Finding the Fourth Proportional to 503,911.03, 695,397.09 and 277,556.53

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Solution

The fourth proportional to 503,911.03, 695,397.09 and 277,556.53 is: 383,027.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,911.03 : 695,397.09 = 277,556.53 : x
  2. Step 2: Convert to fraction form
    503,911.03/695,397.09 = 277,556.53/x
  3. Step 3: Cross multiply
    503,911.03x = 695,397.09 × 277,556.53
  4. Step 4: Simplify right side
    503,911.03x = 193,012,003,272.50
  5. Step 5: Solve for x
    x = 193,012,003,272.50/503,911.03
  6. Step 6: Final answer
    x = 383,027.94

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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.