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Finding the Fourth Proportional to 446,104.40, 668,935.20 and 161,783.60

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Solution

The fourth proportional to 446,104.40, 668,935.20 and 161,783.60 is: 242,595.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,104.40 : 668,935.20 = 161,783.60 : x
  2. Step 2: Convert to fraction form
    446,104.40/668,935.20 = 161,783.60/x
  3. Step 3: Cross multiply
    446,104.40x = 668,935.20 × 161,783.60
  4. Step 4: Simplify right side
    446,104.40x = 108,222,744,822.72
  5. Step 5: Solve for x
    x = 108,222,744,822.72/446,104.40
  6. Step 6: Final answer
    x = 242,595.11

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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.