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Finding the Fourth Proportional to 277,388.52, 382,701.06 and 156,514.92

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Solution

The fourth proportional to 277,388.52, 382,701.06 and 156,514.92 is: 215,936.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,388.52 : 382,701.06 = 156,514.92 : x
  2. Step 2: Convert to fraction form
    277,388.52/382,701.06 = 156,514.92/x
  3. Step 3: Cross multiply
    277,388.52x = 382,701.06 × 156,514.92
  4. Step 4: Simplify right side
    277,388.52x = 59,898,425,789.82
  5. Step 5: Solve for x
    x = 59,898,425,789.82/277,388.52
  6. Step 6: Final answer
    x = 215,936.93

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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.