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Finding the Fourth Proportional to 503,911.16, 695,399.28 and 277,556.12

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Solution

The fourth proportional to 503,911.16, 695,399.28 and 277,556.12 is: 383,028.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,911.16 : 695,399.28 = 277,556.12 : x
  2. Step 2: Convert to fraction form
    503,911.16/695,399.28 = 277,556.12/x
  3. Step 3: Cross multiply
    503,911.16x = 695,399.28 × 277,556.12
  4. Step 4: Simplify right side
    503,911.16x = 193,012,326,007.59
  5. Step 5: Solve for x
    x = 193,012,326,007.59/503,911.16
  6. Step 6: Final answer
    x = 383,028.48

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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.