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Finding the Fourth Proportional to 446,063.46, 668,954.22 and 146,494.68

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Solution

The fourth proportional to 446,063.46, 668,954.22 and 146,494.68 is: 219,695.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,063.46 : 668,954.22 = 146,494.68 : x
  2. Step 2: Convert to fraction form
    446,063.46/668,954.22 = 146,494.68/x
  3. Step 3: Cross multiply
    446,063.46x = 668,954.22 × 146,494.68
  4. Step 4: Simplify right side
    446,063.46x = 97,998,234,393.55
  5. Step 5: Solve for x
    x = 97,998,234,393.55/446,063.46
  6. Step 6: Final answer
    x = 219,695.72

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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.