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Finding the Fourth Proportional to 441,790.60, 662,708.96 and 126,295.24

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Solution

The fourth proportional to 441,790.60, 662,708.96 and 126,295.24 is: 189,449.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,790.60 : 662,708.96 = 126,295.24 : x
  2. Step 2: Convert to fraction form
    441,790.60/662,708.96 = 126,295.24/x
  3. Step 3: Cross multiply
    441,790.60x = 662,708.96 × 126,295.24
  4. Step 4: Simplify right side
    441,790.60x = 83,696,987,153.35
  5. Step 5: Solve for x
    x = 83,696,987,153.35/441,790.60
  6. Step 6: Final answer
    x = 189,449.45

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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.