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Finding the Fourth Proportional to 445,775.64, 668,829.92 and 179,611.67

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Solution

The fourth proportional to 445,775.64, 668,829.92 and 179,611.67 is: 269,484.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,775.64 : 668,829.92 = 179,611.67 : x
  2. Step 2: Convert to fraction form
    445,775.64/668,829.92 = 179,611.67/x
  3. Step 3: Cross multiply
    445,775.64x = 668,829.92 × 179,611.67
  4. Step 4: Simplify right side
    445,775.64x = 120,129,654,634.96
  5. Step 5: Solve for x
    x = 120,129,654,634.96/445,775.64
  6. Step 6: Final answer
    x = 269,484.57

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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.