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Finding the Fourth Proportional to 356,451.46, 534,677.19 and 119,794.14

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Solution

The fourth proportional to 356,451.46, 534,677.19 and 119,794.14 is: 179,691.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,451.46 : 534,677.19 = 119,794.14 : x
  2. Step 2: Convert to fraction form
    356,451.46/534,677.19 = 119,794.14/x
  3. Step 3: Cross multiply
    356,451.46x = 534,677.19 × 119,794.14
  4. Step 4: Simplify right side
    356,451.46x = 64,051,194,153.67
  5. Step 5: Solve for x
    x = 64,051,194,153.67/356,451.46
  6. Step 6: Final answer
    x = 179,691.21

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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.