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Finding the Fourth Proportional to 466,636.80, 699,494.40 and 229,785.60

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Solution

The fourth proportional to 466,636.80, 699,494.40 and 229,785.60 is: 344,451.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,636.80 : 699,494.40 = 229,785.60 : x
  2. Step 2: Convert to fraction form
    466,636.80/699,494.40 = 229,785.60/x
  3. Step 3: Cross multiply
    466,636.80x = 699,494.40 × 229,785.60
  4. Step 4: Simplify right side
    466,636.80x = 160,733,740,400.64
  5. Step 5: Solve for x
    x = 160,733,740,400.64/466,636.80
  6. Step 6: Final answer
    x = 344,451.49

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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.