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Finding the Fourth Proportional to 358,630.52, 494,447.64 and 293,858.96

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Solution

The fourth proportional to 358,630.52, 494,447.64 and 293,858.96 is: 405,146.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,630.52 : 494,447.64 = 293,858.96 : x
  2. Step 2: Convert to fraction form
    358,630.52/494,447.64 = 293,858.96/x
  3. Step 3: Cross multiply
    358,630.52x = 494,447.64 × 293,858.96
  4. Step 4: Simplify right side
    358,630.52x = 145,297,869,264.85
  5. Step 5: Solve for x
    x = 145,297,869,264.85/358,630.52
  6. Step 6: Final answer
    x = 405,146.41

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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.