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Finding the Fourth Proportional to 454,944.40, 682,416.60 and 349,968.40

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Solution

The fourth proportional to 454,944.40, 682,416.60 and 349,968.40 is: 524,952.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,944.40 : 682,416.60 = 349,968.40 : x
  2. Step 2: Convert to fraction form
    454,944.40/682,416.60 = 349,968.40/x
  3. Step 3: Cross multiply
    454,944.40x = 682,416.60 × 349,968.40
  4. Step 4: Simplify right side
    454,944.40x = 238,824,245,635.44
  5. Step 5: Solve for x
    x = 238,824,245,635.44/454,944.40
  6. Step 6: Final answer
    x = 524,952.60

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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.