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Finding the Fourth Proportional to 479,214.44, 718,551.90 and 159,195

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Solution

The fourth proportional to 479,214.44, 718,551.90 and 159,195 is: 238,702.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,214.44 : 718,551.90 = 159,195 : x
  2. Step 2: Convert to fraction form
    479,214.44/718,551.90 = 159,195/x
  3. Step 3: Cross multiply
    479,214.44x = 718,551.90 × 159,195
  4. Step 4: Simplify right side
    479,214.44x = 114,389,869,720.50
  5. Step 5: Solve for x
    x = 114,389,869,720.50/479,214.44
  6. Step 6: Final answer
    x = 238,702.89

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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.