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Finding the Fourth Proportional to 376,126.83, 519,090.17 and 214,950.39

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Solution

The fourth proportional to 376,126.83, 519,090.17 and 214,950.39 is: 296,651.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,126.83 : 519,090.17 = 214,950.39 : x
  2. Step 2: Convert to fraction form
    376,126.83/519,090.17 = 214,950.39/x
  3. Step 3: Cross multiply
    376,126.83x = 519,090.17 × 214,950.39
  4. Step 4: Simplify right side
    376,126.83x = 111,578,633,411.91
  5. Step 5: Solve for x
    x = 111,578,633,411.91/376,126.83
  6. Step 6: Final answer
    x = 296,651.62

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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.