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Finding the Fourth Proportional to 488,416.40, 732,624.60 and 264,467.60

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Solution

The fourth proportional to 488,416.40, 732,624.60 and 264,467.60 is: 396,701.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,416.40 : 732,624.60 = 264,467.60 : x
  2. Step 2: Convert to fraction form
    488,416.40/732,624.60 = 264,467.60/x
  3. Step 3: Cross multiply
    488,416.40x = 732,624.60 × 264,467.60
  4. Step 4: Simplify right side
    488,416.40x = 193,755,469,662.96
  5. Step 5: Solve for x
    x = 193,755,469,662.96/488,416.40
  6. Step 6: Final answer
    x = 396,701.40

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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.