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Finding the Fourth Proportional to 433,786.32, 650,613.60 and 118,267.92

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Solution

The fourth proportional to 433,786.32, 650,613.60 and 118,267.92 is: 177,383.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,786.32 : 650,613.60 = 118,267.92 : x
  2. Step 2: Convert to fraction form
    433,786.32/650,613.60 = 118,267.92/x
  3. Step 3: Cross multiply
    433,786.32x = 650,613.60 × 118,267.92
  4. Step 4: Simplify right side
    433,786.32x = 76,946,717,195.71
  5. Step 5: Solve for x
    x = 76,946,717,195.71/433,786.32
  6. Step 6: Final answer
    x = 177,383.92

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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.