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Finding the Fourth Proportional to 503,996.57, 695,514.95 and 277,642.07

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Solution

The fourth proportional to 503,996.57, 695,514.95 and 277,642.07 is: 383,145.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,996.57 : 695,514.95 = 277,642.07 : x
  2. Step 2: Convert to fraction form
    503,996.57/695,514.95 = 277,642.07/x
  3. Step 3: Cross multiply
    503,996.57x = 695,514.95 × 277,642.07
  4. Step 4: Simplify right side
    503,996.57x = 193,104,206,609.32
  5. Step 5: Solve for x
    x = 193,104,206,609.32/503,996.57
  6. Step 6: Final answer
    x = 383,145.88

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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.