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Finding the Fourth Proportional to 517,570.38, 775,726.07 and 277,093.33

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Solution

The fourth proportional to 517,570.38, 775,726.07 and 277,093.33 is: 415,302.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,570.38 : 775,726.07 = 277,093.33 : x
  2. Step 2: Convert to fraction form
    517,570.38/775,726.07 = 277,093.33/x
  3. Step 3: Cross multiply
    517,570.38x = 775,726.07 × 277,093.33
  4. Step 4: Simplify right side
    517,570.38x = 214,948,514,640.02
  5. Step 5: Solve for x
    x = 214,948,514,640.02/517,570.38
  6. Step 6: Final answer
    x = 415,302.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.