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Finding the Fourth Proportional to 662,266.60, 993,399.90 and 163,630.60

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Solution

The fourth proportional to 662,266.60, 993,399.90 and 163,630.60 is: 245,445.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,266.60 : 993,399.90 = 163,630.60 : x
  2. Step 2: Convert to fraction form
    662,266.60/993,399.90 = 163,630.60/x
  3. Step 3: Cross multiply
    662,266.60x = 993,399.90 × 163,630.60
  4. Step 4: Simplify right side
    662,266.60x = 162,550,621,676.94
  5. Step 5: Solve for x
    x = 162,550,621,676.94/662,266.60
  6. Step 6: Final answer
    x = 245,445.90

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Double scale
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Similar ratio
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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.