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Finding the Fourth Proportional to 662,160.60, 993,240.90 and 163,524.60

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Solution

The fourth proportional to 662,160.60, 993,240.90 and 163,524.60 is: 245,286.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,160.60 : 993,240.90 = 163,524.60 : x
  2. Step 2: Convert to fraction form
    662,160.60/993,240.90 = 163,524.60/x
  3. Step 3: Cross multiply
    662,160.60x = 993,240.90 × 163,524.60
  4. Step 4: Simplify right side
    662,160.60x = 162,419,320,876.14
  5. Step 5: Solve for x
    x = 162,419,320,876.14/662,160.60
  6. Step 6: Final answer
    x = 245,286.90

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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.