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Finding the Fourth Proportional to 445,881.39, 668,891.79 and 146,293.83

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Solution

The fourth proportional to 445,881.39, 668,891.79 and 146,293.83 is: 219,463.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,881.39 : 668,891.79 = 146,293.83 : x
  2. Step 2: Convert to fraction form
    445,881.39/668,891.79 = 146,293.83/x
  3. Step 3: Cross multiply
    445,881.39x = 668,891.79 × 146,293.83
  4. Step 4: Simplify right side
    445,881.39x = 97,854,741,814.66
  5. Step 5: Solve for x
    x = 97,854,741,814.66/445,881.39
  6. Step 6: Final answer
    x = 219,463.62

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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.