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Finding the Fourth Proportional to 446,054.40, 668,860.20 and 161,733.60

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Solution

The fourth proportional to 446,054.40, 668,860.20 and 161,733.60 is: 242,520.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,054.40 : 668,860.20 = 161,733.60 : x
  2. Step 2: Convert to fraction form
    446,054.40/668,860.20 = 161,733.60/x
  3. Step 3: Cross multiply
    446,054.40x = 668,860.20 × 161,733.60
  4. Step 4: Simplify right side
    446,054.40x = 108,177,168,042.72
  5. Step 5: Solve for x
    x = 108,177,168,042.72/446,054.40
  6. Step 6: Final answer
    x = 242,520.12

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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.