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Finding the Fourth Proportional to 446,063.40, 668,873.70 and 161,742.60

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Solution

The fourth proportional to 446,063.40, 668,873.70 and 161,742.60 is: 242,533.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,063.40 : 668,873.70 = 161,742.60 : x
  2. Step 2: Convert to fraction form
    446,063.40/668,873.70 = 161,742.60/x
  3. Step 3: Cross multiply
    446,063.40x = 668,873.70 × 161,742.60
  4. Step 4: Simplify right side
    446,063.40x = 108,185,371,309.62
  5. Step 5: Solve for x
    x = 108,185,371,309.62/446,063.40
  6. Step 6: Final answer
    x = 242,533.62

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1.5x scale

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.