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Finding the Fourth Proportional to 446,149.42, 669,125.71 and 130,630.93

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Solution

The fourth proportional to 446,149.42, 669,125.71 and 130,630.93 is: 195,917.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,149.42 : 669,125.71 = 130,630.93 : x
  2. Step 2: Convert to fraction form
    446,149.42/669,125.71 = 130,630.93/x
  3. Step 3: Cross multiply
    446,149.42x = 669,125.71 × 130,630.93
  4. Step 4: Simplify right side
    446,149.42x = 87,408,512,274.68
  5. Step 5: Solve for x
    x = 87,408,512,274.68/446,149.42
  6. Step 6: Final answer
    x = 195,917.58

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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.