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Finding the Fourth Proportional to 604,796.85, 834,619.74 and 329,155.74

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Solution

The fourth proportional to 604,796.85, 834,619.74 and 329,155.74 is: 454,234.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,796.85 : 834,619.74 = 329,155.74 : x
  2. Step 2: Convert to fraction form
    604,796.85/834,619.74 = 329,155.74/x
  3. Step 3: Cross multiply
    604,796.85x = 834,619.74 × 329,155.74
  4. Step 4: Simplify right side
    604,796.85x = 274,719,882,631.94
  5. Step 5: Solve for x
    x = 274,719,882,631.94/604,796.85
  6. Step 6: Final answer
    x = 454,234.97

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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.