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Finding the Fourth Proportional to 445,683.86, 668,581.82 and 146,194.71

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Solution

The fourth proportional to 445,683.86, 668,581.82 and 146,194.71 is: 219,310.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,683.86 : 668,581.82 = 146,194.71 : x
  2. Step 2: Convert to fraction form
    445,683.86/668,581.82 = 146,194.71/x
  3. Step 3: Cross multiply
    445,683.86x = 668,581.82 × 146,194.71
  4. Step 4: Simplify right side
    445,683.86x = 97,743,124,555.20
  5. Step 5: Solve for x
    x = 97,743,124,555.20/445,683.86
  6. Step 6: Final answer
    x = 219,310.44

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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.