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Finding the Fourth Proportional to 493,144.40, 739,716.60 and 335,680.40

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Solution

The fourth proportional to 493,144.40, 739,716.60 and 335,680.40 is: 503,520.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,144.40 : 739,716.60 = 335,680.40 : x
  2. Step 2: Convert to fraction form
    493,144.40/739,716.60 = 335,680.40/x
  3. Step 3: Cross multiply
    493,144.40x = 739,716.60 × 335,680.40
  4. Step 4: Simplify right side
    493,144.40x = 248,308,364,174.64
  5. Step 5: Solve for x
    x = 248,308,364,174.64/493,144.40
  6. Step 6: Final answer
    x = 503,520.60

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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.