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Finding the Fourth Proportional to 356,455.17, 534,682.76 and 119,797.85

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Solution

The fourth proportional to 356,455.17, 534,682.76 and 119,797.85 is: 179,696.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,455.17 : 534,682.76 = 119,797.85 : x
  2. Step 2: Convert to fraction form
    356,455.17/534,682.76 = 119,797.85/x
  3. Step 3: Cross multiply
    356,455.17x = 534,682.76 × 119,797.85
  4. Step 4: Simplify right side
    356,455.17x = 64,053,845,817.78
  5. Step 5: Solve for x
    x = 64,053,845,817.78/356,455.17
  6. Step 6: Final answer
    x = 179,696.78

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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.