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Finding the Fourth Proportional to 377,936.49, 521,514.51 and 232,719

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Solution

The fourth proportional to 377,936.49, 521,514.51 and 232,719 is: 321,128.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,936.49 : 521,514.51 = 232,719 : x
  2. Step 2: Convert to fraction form
    377,936.49/521,514.51 = 232,719/x
  3. Step 3: Cross multiply
    377,936.49x = 521,514.51 × 232,719
  4. Step 4: Simplify right side
    377,936.49x = 121,366,335,252.69
  5. Step 5: Solve for x
    x = 121,366,335,252.69/377,936.49
  6. Step 6: Final answer
    x = 321,128.92

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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.